Home / 85,475,493,000.45-128,213,239,500.67-41,395,650,696.45

Finding the Fourth Proportional to 85,475,493,000.45, 128,213,239,500.67 and 41,395,650,696.45

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Solution

The fourth proportional to 85,475,493,000.45, 128,213,239,500.67 and 41,395,650,696.45 is: 62,093,476,044.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,475,493,000.45 : 128,213,239,500.67 = 41,395,650,696.45 : x
  2. Step 2: Convert to fraction form
    85,475,493,000.45/128,213,239,500.67 = 41,395,650,696.45/x
  3. Step 3: Cross multiply
    85,475,493,000.45x = 128,213,239,500.67 × 41,395,650,696.45
  4. Step 4: Simplify right side
    85,475,493,000.45x = 5,307,470,477,030,020,087,808
  5. Step 5: Solve for x
    x = 5,307,470,477,030,020,087,808/85,475,493,000.45
  6. Step 6: Final answer
    x = 62,093,476,044.67

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Half scale
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Double scale
Find fourth proportional to 85,475,493,001.45, 128,213,239,502.17 and 41,395,650,697.45
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.