Home / 746,428,903.20-1,118,822,209.20-261,505,101.60

Finding the Fourth Proportional to 746,428,903.20, 1,118,822,209.20 and 261,505,101.60

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Solution

The fourth proportional to 746,428,903.20, 1,118,822,209.20 and 261,505,101.60 is: 391,969,970.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,428,903.20 : 1,118,822,209.20 = 261,505,101.60 : x
  2. Step 2: Convert to fraction form
    746,428,903.20/1,118,822,209.20 = 261,505,101.60/x
  3. Step 3: Cross multiply
    746,428,903.20x = 1,118,822,209.20 × 261,505,101.60
  4. Step 4: Simplify right side
    746,428,903.20x = 292,577,715,489,182,464
  5. Step 5: Solve for x
    x = 292,577,715,489,182,464/746,428,903.20
  6. Step 6: Final answer
    x = 391,969,970.93

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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.