Home / 729,639,654.18-1,095,551,592.43-631,575,503.61

Finding the Fourth Proportional to 729,639,654.18, 1,095,551,592.43 and 631,575,503.61

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Solution

The fourth proportional to 729,639,654.18, 1,095,551,592.43 and 631,575,503.61 is: 948,308,585.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,639,654.18 : 1,095,551,592.43 = 631,575,503.61 : x
  2. Step 2: Convert to fraction form
    729,639,654.18/1,095,551,592.43 = 631,575,503.61/x
  3. Step 3: Cross multiply
    729,639,654.18x = 1,095,551,592.43 × 631,575,503.61
  4. Step 4: Simplify right side
    729,639,654.18x = 691,923,548,719,714,816
  5. Step 5: Solve for x
    x = 691,923,548,719,714,816/729,639,654.18
  6. Step 6: Final answer
    x = 948,308,585.97

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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.