Home / 31,621,494,789.74-47,440,092,746.55-15,693,306,729.02

Finding the Fourth Proportional to 31,621,494,789.74, 47,440,092,746.55 and 15,693,306,729.02

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Solution

The fourth proportional to 31,621,494,789.74, 47,440,092,746.55 and 15,693,306,729.02 is: 23,543,856,217.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,621,494,789.74 : 47,440,092,746.55 = 15,693,306,729.02 : x
  2. Step 2: Convert to fraction form
    31,621,494,789.74/47,440,092,746.55 = 15,693,306,729.02/x
  3. Step 3: Cross multiply
    31,621,494,789.74x = 47,440,092,746.55 × 15,693,306,729.02
  4. Step 4: Simplify right side
    31,621,494,789.74x = 744,491,926,724,528,832,512
  5. Step 5: Solve for x
    x = 744,491,926,724,528,832,512/31,621,494,789.74
  6. Step 6: Final answer
    x = 23,543,856,217.90

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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.