Home / 426,105,917.12-588,025,966.56-240,505,860.80

Finding the Fourth Proportional to 426,105,917.12, 588,025,966.56 and 240,505,860.80

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Solution

The fourth proportional to 426,105,917.12, 588,025,966.56 and 240,505,860.80 is: 331,897,975.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,105,917.12 : 588,025,966.56 = 240,505,860.80 : x
  2. Step 2: Convert to fraction form
    426,105,917.12/588,025,966.56 = 240,505,860.80/x
  3. Step 3: Cross multiply
    426,105,917.12x = 588,025,966.56 × 240,505,860.80
  4. Step 4: Simplify right side
    426,105,917.12x = 141,423,691,260,264,816
  5. Step 5: Solve for x
    x = 141,423,691,260,264,816/426,105,917.12
  6. Step 6: Final answer
    x = 331,897,975.55

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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.