Home / 398,573,211.20-597,859,816.80-335,083,726.40

Finding the Fourth Proportional to 398,573,211.20, 597,859,816.80 and 335,083,726.40

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Solution

The fourth proportional to 398,573,211.20, 597,859,816.80 and 335,083,726.40 is: 502,625,589.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,573,211.20 : 597,859,816.80 = 335,083,726.40 : x
  2. Step 2: Convert to fraction form
    398,573,211.20/597,859,816.80 = 335,083,726.40/x
  3. Step 3: Cross multiply
    398,573,211.20x = 597,859,816.80 × 335,083,726.40
  4. Step 4: Simplify right side
    398,573,211.20x = 200,333,095,278,165,280
  5. Step 5: Solve for x
    x = 200,333,095,278,165,280/398,573,211.20
  6. Step 6: Final answer
    x = 502,625,589.60

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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.