Home / 19,281,220,761.12-28,932,989,306.40-8,088,092,475.36

Finding the Fourth Proportional to 19,281,220,761.12, 28,932,989,306.40 and 8,088,092,475.36

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Solution

The fourth proportional to 19,281,220,761.12, 28,932,989,306.40 and 8,088,092,475.36 is: 12,136,819,343.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,281,220,761.12 : 28,932,989,306.40 = 8,088,092,475.36 : x
  2. Step 2: Convert to fraction form
    19,281,220,761.12/28,932,989,306.40 = 8,088,092,475.36/x
  3. Step 3: Cross multiply
    19,281,220,761.12x = 28,932,989,306.40 × 8,088,092,475.36
  4. Step 4: Simplify right side
    19,281,220,761.12x = 234,012,693,098,765,189,120
  5. Step 5: Solve for x
    x = 234,012,693,098,765,189,120/19,281,220,761.12
  6. Step 6: Final answer
    x = 12,136,819,343.44

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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.