Home / 1,479,242,892.78-2,041,388,236.08-844,150,740.39

Finding the Fourth Proportional to 1,479,242,892.78, 2,041,388,236.08 and 844,150,740.39

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Solution

The fourth proportional to 1,479,242,892.78, 2,041,388,236.08 and 844,150,740.39 is: 1,164,946,878.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479,242,892.78 : 2,041,388,236.08 = 844,150,740.39 : x
  2. Step 2: Convert to fraction form
    1,479,242,892.78/2,041,388,236.08 = 844,150,740.39/x
  3. Step 3: Cross multiply
    1,479,242,892.78x = 2,041,388,236.08 × 844,150,740.39
  4. Step 4: Simplify right side
    1,479,242,892.78x = 1,723,239,390,910,368,000
  5. Step 5: Solve for x
    x = 1,723,239,390,910,368,000/1,479,242,892.78
  6. Step 6: Final answer
    x = 1,164,946,878.79

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Double scale
Find fourth proportional to 1,479,242,893.78, 2,041,388,237.46 and 844,150,741.39
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.