Home / 20,472,427,839.60-30,708,641,759.40-16,982,773,657.20

Finding the Fourth Proportional to 20,472,427,839.60, 30,708,641,759.40 and 16,982,773,657.20

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Solution

The fourth proportional to 20,472,427,839.60, 30,708,641,759.40 and 16,982,773,657.20 is: 25,474,160,485.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,472,427,839.60 : 30,708,641,759.40 = 16,982,773,657.20 : x
  2. Step 2: Convert to fraction form
    20,472,427,839.60/30,708,641,759.40 = 16,982,773,657.20/x
  3. Step 3: Cross multiply
    20,472,427,839.60x = 30,708,641,759.40 × 16,982,773,657.20
  4. Step 4: Simplify right side
    20,472,427,839.60x = 521,517,912,319,930,204,160
  5. Step 5: Solve for x
    x = 521,517,912,319,930,204,160/20,472,427,839.60
  6. Step 6: Final answer
    x = 25,474,160,485.80

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1.5x scale

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.