Home / 10,681,340,965.80-16,022,011,448.70-9,103,173,772.20

Finding the Fourth Proportional to 10,681,340,965.80, 16,022,011,448.70 and 9,103,173,772.20

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Solution

The fourth proportional to 10,681,340,965.80, 16,022,011,448.70 and 9,103,173,772.20 is: 13,654,760,658.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,681,340,965.80 : 16,022,011,448.70 = 9,103,173,772.20 : x
  2. Step 2: Convert to fraction form
    10,681,340,965.80/16,022,011,448.70 = 9,103,173,772.20/x
  3. Step 3: Cross multiply
    10,681,340,965.80x = 16,022,011,448.70 × 9,103,173,772.20
  4. Step 4: Simplify right side
    10,681,340,965.80x = 145,851,154,397,693,984,768
  5. Step 5: Solve for x
    x = 145,851,154,397,693,984,768/10,681,340,965.80
  6. Step 6: Final answer
    x = 13,654,760,658.30

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Double scale
Find fourth proportional to 10,681,340,966.80, 16,022,011,450.20 and 9,103,173,773.20
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.