Home / 12,951,634,034.52-17,872,925,687.01-7,235,961,393.69

Finding the Fourth Proportional to 12,951,634,034.52, 17,872,925,687.01 and 7,235,961,393.69

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Solution

The fourth proportional to 12,951,634,034.52, 17,872,925,687.01 and 7,235,961,393.69 is: 9,985,442,757.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,951,634,034.52 : 17,872,925,687.01 = 7,235,961,393.69 : x
  2. Step 2: Convert to fraction form
    12,951,634,034.52/17,872,925,687.01 = 7,235,961,393.69/x
  3. Step 3: Cross multiply
    12,951,634,034.52x = 17,872,925,687.01 × 7,235,961,393.69
  4. Step 4: Simplify right side
    12,951,634,034.52x = 129,327,800,263,494,664,192
  5. Step 5: Solve for x
    x = 129,327,800,263,494,664,192/12,951,634,034.52
  6. Step 6: Final answer
    x = 9,985,442,757.17

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.