Home / 981,361,260.60-1,470,791,510.10-521,519,724.60

Finding the Fourth Proportional to 981,361,260.60, 1,470,791,510.10 and 521,519,724.60

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Solution

The fourth proportional to 981,361,260.60, 1,470,791,510.10 and 521,519,724.60 is: 781,615,103.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,361,260.60 : 1,470,791,510.10 = 521,519,724.60 : x
  2. Step 2: Convert to fraction form
    981,361,260.60/1,470,791,510.10 = 521,519,724.60/x
  3. Step 3: Cross multiply
    981,361,260.60x = 1,470,791,510.10 × 521,519,724.60
  4. Step 4: Simplify right side
    981,361,260.60x = 767,046,783,291,370,112
  5. Step 5: Solve for x
    x = 767,046,783,291,370,112/981,361,260.60
  6. Step 6: Final answer
    x = 781,615,103.52

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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.