Home / 7,123,832,820.30-9,830,900,857.14-3,952,016,818.86

Finding the Fourth Proportional to 7,123,832,820.30, 9,830,900,857.14 and 3,952,016,818.86

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Solution

The fourth proportional to 7,123,832,820.30, 9,830,900,857.14 and 3,952,016,818.86 is: 5,453,789,625.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,123,832,820.30 : 9,830,900,857.14 = 3,952,016,818.86 : x
  2. Step 2: Convert to fraction form
    7,123,832,820.30/9,830,900,857.14 = 3,952,016,818.86/x
  3. Step 3: Cross multiply
    7,123,832,820.30x = 9,830,900,857.14 × 3,952,016,818.86
  4. Step 4: Simplify right side
    7,123,832,820.30x = 38,851,885,531,962,466,304
  5. Step 5: Solve for x
    x = 38,851,885,531,962,466,304/7,123,832,820.30
  6. Step 6: Final answer
    x = 5,453,789,625.90

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1.5x scale

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.