Home / 932,651,860-1,287,065,789.16-509,268,461.20

Finding the Fourth Proportional to 932,651,860, 1,287,065,789.16 and 509,268,461.20

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Solution

The fourth proportional to 932,651,860, 1,287,065,789.16 and 509,268,461.20 is: 702,793,874.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,651,860 : 1,287,065,789.16 = 509,268,461.20 : x
  2. Step 2: Convert to fraction form
    932,651,860/1,287,065,789.16 = 509,268,461.20/x
  3. Step 3: Cross multiply
    932,651,860x = 1,287,065,789.16 × 509,268,461.20
  4. Step 4: Simplify right side
    932,651,860x = 655,462,013,908,676,864
  5. Step 5: Solve for x
    x = 655,462,013,908,676,864/932,651,860
  6. Step 6: Final answer
    x = 702,793,874.14

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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.