Home / 497,680,013.60-746,520,020.40-314,937,792.80

Finding the Fourth Proportional to 497,680,013.60, 746,520,020.40 and 314,937,792.80

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Solution

The fourth proportional to 497,680,013.60, 746,520,020.40 and 314,937,792.80 is: 472,406,689.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,680,013.60 : 746,520,020.40 = 314,937,792.80 : x
  2. Step 2: Convert to fraction form
    497,680,013.60/746,520,020.40 = 314,937,792.80/x
  3. Step 3: Cross multiply
    497,680,013.60x = 746,520,020.40 × 314,937,792.80
  4. Step 4: Simplify right side
    497,680,013.60x = 235,107,367,505,786,976
  5. Step 5: Solve for x
    x = 235,107,367,505,786,976/497,680,013.60
  6. Step 6: Final answer
    x = 472,406,689.20

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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.