Home / 516,245,992,366.20-712,420,155,728.40-284,754,320,203.24

Finding the Fourth Proportional to 516,245,992,366.20, 712,420,155,728.40 and 284,754,320,203.24

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Solution

The fourth proportional to 516,245,992,366.20, 712,420,155,728.40 and 284,754,320,203.24 is: 392,961,340,413.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,245,992,366.20 : 712,420,155,728.40 = 284,754,320,203.24 : x
  2. Step 2: Convert to fraction form
    516,245,992,366.20/712,420,155,728.40 = 284,754,320,203.24/x
  3. Step 3: Cross multiply
    516,245,992,366.20x = 712,420,155,728.40 × 284,754,320,203.24
  4. Step 4: Simplify right side
    516,245,992,366.20x = 202,864,717,143,526,906,789,888
  5. Step 5: Solve for x
    x = 202,864,717,143,526,906,789,888/516,245,992,366.20
  6. Step 6: Final answer
    x = 392,961,340,413.90

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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.