Home / 598,770,187.20-898,155,280.80-292,258,929.60

Finding the Fourth Proportional to 598,770,187.20, 898,155,280.80 and 292,258,929.60

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Solution

The fourth proportional to 598,770,187.20, 898,155,280.80 and 292,258,929.60 is: 438,388,394.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,770,187.20 : 898,155,280.80 = 292,258,929.60 : x
  2. Step 2: Convert to fraction form
    598,770,187.20/898,155,280.80 = 292,258,929.60/x
  3. Step 3: Cross multiply
    598,770,187.20x = 898,155,280.80 × 292,258,929.60
  4. Step 4: Simplify right side
    598,770,187.20x = 262,493,900,981,195,424
  5. Step 5: Solve for x
    x = 262,493,900,981,195,424/598,770,187.20
  6. Step 6: Final answer
    x = 438,388,394.40

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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.