Home / 627,428,050.12-865,790,051.70-363,057,308.20

Finding the Fourth Proportional to 627,428,050.12, 865,790,051.70 and 363,057,308.20

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Solution

The fourth proportional to 627,428,050.12, 865,790,051.70 and 363,057,308.20 is: 500,983,986.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,428,050.12 : 865,790,051.70 = 363,057,308.20 : x
  2. Step 2: Convert to fraction form
    627,428,050.12/865,790,051.70 = 363,057,308.20/x
  3. Step 3: Cross multiply
    627,428,050.12x = 865,790,051.70 × 363,057,308.20
  4. Step 4: Simplify right side
    627,428,050.12x = 314,331,405,636,540,864
  5. Step 5: Solve for x
    x = 314,331,405,636,540,864/627,428,050.12
  6. Step 6: Final answer
    x = 500,983,986.25

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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.