Home / 981,999,695.46-1,473,275,892.52-429,350,656.62

Finding the Fourth Proportional to 981,999,695.46, 1,473,275,892.52 and 429,350,656.62

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Solution

The fourth proportional to 981,999,695.46, 1,473,275,892.52 and 429,350,656.62 is: 644,146,810.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,999,695.46 : 1,473,275,892.52 = 429,350,656.62 : x
  2. Step 2: Convert to fraction form
    981,999,695.46/1,473,275,892.52 = 429,350,656.62/x
  3. Step 3: Cross multiply
    981,999,695.46x = 1,473,275,892.52 × 429,350,656.62
  4. Step 4: Simplify right side
    981,999,695.46x = 632,551,971,841,961,472
  5. Step 5: Solve for x
    x = 632,551,971,841,961,472/981,999,695.46
  6. Step 6: Final answer
    x = 644,146,810.60

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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.