Home / 2,261,397,802.71-3,120,684,216.16-1,257,793,781.61

Finding the Fourth Proportional to 2,261,397,802.71, 3,120,684,216.16 and 1,257,793,781.61

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Solution

The fourth proportional to 2,261,397,802.71, 3,120,684,216.16 and 1,257,793,781.61 is: 1,735,730,527.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,261,397,802.71 : 3,120,684,216.16 = 1,257,793,781.61 : x
  2. Step 2: Convert to fraction form
    2,261,397,802.71/3,120,684,216.16 = 1,257,793,781.61/x
  3. Step 3: Cross multiply
    2,261,397,802.71x = 3,120,684,216.16 × 1,257,793,781.61
  4. Step 4: Simplify right side
    2,261,397,802.71x = 3,925,177,201,454,524,416
  5. Step 5: Solve for x
    x = 3,925,177,201,454,524,416/2,261,397,802.71
  6. Step 6: Final answer
    x = 1,735,730,527.71

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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.