Home / 7,840,043,999.10-11,760,065,998.65-3,921,835,794.30

Finding the Fourth Proportional to 7,840,043,999.10, 11,760,065,998.65 and 3,921,835,794.30

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Solution

The fourth proportional to 7,840,043,999.10, 11,760,065,998.65 and 3,921,835,794.30 is: 5,882,753,691.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,840,043,999.10 : 11,760,065,998.65 = 3,921,835,794.30 : x
  2. Step 2: Convert to fraction form
    7,840,043,999.10/11,760,065,998.65 = 3,921,835,794.30/x
  3. Step 3: Cross multiply
    7,840,043,999.10x = 11,760,065,998.65 × 3,921,835,794.30
  4. Step 4: Simplify right side
    7,840,043,999.10x = 46,121,047,776,835,944,448
  5. Step 5: Solve for x
    x = 46,121,047,776,835,944,448/7,840,043,999.10
  6. Step 6: Final answer
    x = 5,882,753,691.45

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Double scale
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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.