Home / 981,330,720.57-1,472,008,902.38-326,281,746.80

Finding the Fourth Proportional to 981,330,720.57, 1,472,008,902.38 and 326,281,746.80

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Solution

The fourth proportional to 981,330,720.57, 1,472,008,902.38 and 326,281,746.80 is: 489,426,883.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,330,720.57 : 1,472,008,902.38 = 326,281,746.80 : x
  2. Step 2: Convert to fraction form
    981,330,720.57/1,472,008,902.38 = 326,281,746.80/x
  3. Step 3: Cross multiply
    981,330,720.57x = 1,472,008,902.38 × 326,281,746.80
  4. Step 4: Simplify right side
    981,330,720.57x = 480,289,635,964,705,664
  5. Step 5: Solve for x
    x = 480,289,635,964,705,664/981,330,720.57
  6. Step 6: Final answer
    x = 489,426,883.21

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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.