Home / 598,752,877.20-898,129,315.80-340,763,859.60

Finding the Fourth Proportional to 598,752,877.20, 898,129,315.80 and 340,763,859.60

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Solution

The fourth proportional to 598,752,877.20, 898,129,315.80 and 340,763,859.60 is: 511,145,789.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,752,877.20 : 898,129,315.80 = 340,763,859.60 : x
  2. Step 2: Convert to fraction form
    598,752,877.20/898,129,315.80 = 340,763,859.60/x
  3. Step 3: Cross multiply
    598,752,877.20x = 898,129,315.80 × 340,763,859.60
  4. Step 4: Simplify right side
    598,752,877.20x = 306,050,012,071,915,264
  5. Step 5: Solve for x
    x = 306,050,012,071,915,264/598,752,877.20
  6. Step 6: Final answer
    x = 511,145,789.40

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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.