Home / 521,604,007.20-782,406,010.80-234,949,543.20

Finding the Fourth Proportional to 521,604,007.20, 782,406,010.80 and 234,949,543.20

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Solution

The fourth proportional to 521,604,007.20, 782,406,010.80 and 234,949,543.20 is: 352,424,314.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,604,007.20 : 782,406,010.80 = 234,949,543.20 : x
  2. Step 2: Convert to fraction form
    521,604,007.20/782,406,010.80 = 234,949,543.20/x
  3. Step 3: Cross multiply
    521,604,007.20x = 782,406,010.80 × 234,949,543.20
  4. Step 4: Simplify right side
    521,604,007.20x = 183,825,934,834,394,240
  5. Step 5: Solve for x
    x = 183,825,934,834,394,240/521,604,007.20
  6. Step 6: Final answer
    x = 352,424,314.80

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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.