Home / 720,466,585.15-1,080,723,800.64-247,760,991.13

Finding the Fourth Proportional to 720,466,585.15, 1,080,723,800.64 and 247,760,991.13

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Solution

The fourth proportional to 720,466,585.15, 1,080,723,800.64 and 247,760,991.13 is: 371,649,713.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,466,585.15 : 1,080,723,800.64 = 247,760,991.13 : x
  2. Step 2: Convert to fraction form
    720,466,585.15/1,080,723,800.64 = 247,760,991.13/x
  3. Step 3: Cross multiply
    720,466,585.15x = 1,080,723,800.64 × 247,760,991.13
  4. Step 4: Simplify right side
    720,466,585.15x = 267,761,199,981,645,152
  5. Step 5: Solve for x
    x = 267,761,199,981,645,152/720,466,585.15
  6. Step 6: Final answer
    x = 371,649,713.54

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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.