Home / 918,201,747.80-1,377,302,621.70-882,488,912.60

Finding the Fourth Proportional to 918,201,747.80, 1,377,302,621.70 and 882,488,912.60

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Solution

The fourth proportional to 918,201,747.80, 1,377,302,621.70 and 882,488,912.60 is: 1,323,733,368.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,201,747.80 : 1,377,302,621.70 = 882,488,912.60 : x
  2. Step 2: Convert to fraction form
    918,201,747.80/1,377,302,621.70 = 882,488,912.60/x
  3. Step 3: Cross multiply
    918,201,747.80x = 1,377,302,621.70 × 882,488,912.60
  4. Step 4: Simplify right side
    918,201,747.80x = 1,215,454,292,945,162,240
  5. Step 5: Solve for x
    x = 1,215,454,292,945,162,240/918,201,747.80
  6. Step 6: Final answer
    x = 1,323,733,368.90

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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.