Home / 7,951,015,138.50-10,972,891,796.85-4,382,713,996.38

Finding the Fourth Proportional to 7,951,015,138.50, 10,972,891,796.85 and 4,382,713,996.38

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Solution

The fourth proportional to 7,951,015,138.50, 10,972,891,796.85 and 4,382,713,996.38 is: 6,048,415,909.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,951,015,138.50 : 10,972,891,796.85 = 4,382,713,996.38 : x
  2. Step 2: Convert to fraction form
    7,951,015,138.50/10,972,891,796.85 = 4,382,713,996.38/x
  3. Step 3: Cross multiply
    7,951,015,138.50x = 10,972,891,796.85 × 4,382,713,996.38
  4. Step 4: Simplify right side
    7,951,015,138.50x = 48,091,046,458,817,781,760
  5. Step 5: Solve for x
    x = 48,091,046,458,817,781,760/7,951,015,138.50
  6. Step 6: Final answer
    x = 6,048,415,909.30

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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.