Home / 398,569,081.20-598,105,564.20-234,806,521.20

Finding the Fourth Proportional to 398,569,081.20, 598,105,564.20 and 234,806,521.20

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Solution

The fourth proportional to 398,569,081.20, 598,105,564.20 and 234,806,521.20 is: 352,358,207.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,569,081.20 : 598,105,564.20 = 234,806,521.20 : x
  2. Step 2: Convert to fraction form
    398,569,081.20/598,105,564.20 = 234,806,521.20/x
  3. Step 3: Cross multiply
    398,569,081.20x = 598,105,564.20 × 234,806,521.20
  4. Step 4: Simplify right side
    398,569,081.20x = 140,439,086,840,165,264
  5. Step 5: Solve for x
    x = 140,439,086,840,165,264/398,569,081.20
  6. Step 6: Final answer
    x = 352,358,207.06

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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.