Home / 10,681,340,963.80-16,022,011,445.70-9,103,173,770.20

Finding the Fourth Proportional to 10,681,340,963.80, 16,022,011,445.70 and 9,103,173,770.20

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Solution

The fourth proportional to 10,681,340,963.80, 16,022,011,445.70 and 9,103,173,770.20 is: 13,654,760,655.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,681,340,963.80 : 16,022,011,445.70 = 9,103,173,770.20 : x
  2. Step 2: Convert to fraction form
    10,681,340,963.80/16,022,011,445.70 = 9,103,173,770.20/x
  3. Step 3: Cross multiply
    10,681,340,963.80x = 16,022,011,445.70 × 9,103,173,770.20
  4. Step 4: Simplify right side
    10,681,340,963.80x = 145,851,154,338,340,438,016
  5. Step 5: Solve for x
    x = 145,851,154,338,340,438,016/10,681,340,963.80
  6. Step 6: Final answer
    x = 13,654,760,655.30

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Double scale
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Similar ratio
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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.