Home / 10,253,553,127.20-15,380,329,690.80-9,840,304,605.60

Finding the Fourth Proportional to 10,253,553,127.20, 15,380,329,690.80 and 9,840,304,605.60

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Solution

The fourth proportional to 10,253,553,127.20, 15,380,329,690.80 and 9,840,304,605.60 is: 14,760,456,908.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,253,553,127.20 : 15,380,329,690.80 = 9,840,304,605.60 : x
  2. Step 2: Convert to fraction form
    10,253,553,127.20/15,380,329,690.80 = 9,840,304,605.60/x
  3. Step 3: Cross multiply
    10,253,553,127.20x = 15,380,329,690.80 × 9,840,304,605.60
  4. Step 4: Simplify right side
    10,253,553,127.20x = 151,347,129,092,025,647,104
  5. Step 5: Solve for x
    x = 151,347,129,092,025,647,104/10,253,553,127.20
  6. Step 6: Final answer
    x = 14,760,456,908.40

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Double scale
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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.