Home / 728,384,911.20-1,092,577,366.80-237,144,470.40

Finding the Fourth Proportional to 728,384,911.20, 1,092,577,366.80 and 237,144,470.40

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Solution

The fourth proportional to 728,384,911.20, 1,092,577,366.80 and 237,144,470.40 is: 355,716,705.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,384,911.20 : 1,092,577,366.80 = 237,144,470.40 : x
  2. Step 2: Convert to fraction form
    728,384,911.20/1,092,577,366.80 = 237,144,470.40/x
  3. Step 3: Cross multiply
    728,384,911.20x = 1,092,577,366.80 × 237,144,470.40
  4. Step 4: Simplify right side
    728,384,911.20x = 259,098,681,020,812,544
  5. Step 5: Solve for x
    x = 259,098,681,020,812,544/728,384,911.20
  6. Step 6: Final answer
    x = 355,716,705.60

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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.