Home / 4,727,808,001.70-7,091,712,002.55-2,147,917,825.70

Finding the Fourth Proportional to 4,727,808,001.70, 7,091,712,002.55 and 2,147,917,825.70

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Solution

The fourth proportional to 4,727,808,001.70, 7,091,712,002.55 and 2,147,917,825.70 is: 3,221,876,738.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,727,808,001.70 : 7,091,712,002.55 = 2,147,917,825.70 : x
  2. Step 2: Convert to fraction form
    4,727,808,001.70/7,091,712,002.55 = 2,147,917,825.70/x
  3. Step 3: Cross multiply
    4,727,808,001.70x = 7,091,712,002.55 × 2,147,917,825.70
  4. Step 4: Simplify right side
    4,727,808,001.70x = 15,232,414,625,007,788,032
  5. Step 5: Solve for x
    x = 15,232,414,625,007,788,032/4,727,808,001.70
  6. Step 6: Final answer
    x = 3,221,876,738.55

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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.