Home / 627,428,051.62-865,790,053.77-363,057,309.70

Finding the Fourth Proportional to 627,428,051.62, 865,790,053.77 and 363,057,309.70

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Solution

The fourth proportional to 627,428,051.62, 865,790,053.77 and 363,057,309.70 is: 500,983,988.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,428,051.62 : 865,790,053.77 = 363,057,309.70 : x
  2. Step 2: Convert to fraction form
    627,428,051.62/865,790,053.77 = 363,057,309.70/x
  3. Step 3: Cross multiply
    627,428,051.62x = 865,790,053.77 × 363,057,309.70
  4. Step 4: Simplify right side
    627,428,051.62x = 314,331,407,686,754,496
  5. Step 5: Solve for x
    x = 314,331,407,686,754,496/627,428,051.62
  6. Step 6: Final answer
    x = 500,983,988.32

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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.