Home / 337,511,815.35-508,797,441.39-315,013,176.78

Finding the Fourth Proportional to 337,511,815.35, 508,797,441.39 and 315,013,176.78

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Solution

The fourth proportional to 337,511,815.35, 508,797,441.39 and 315,013,176.78 is: 474,880,851.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,511,815.35 : 508,797,441.39 = 315,013,176.78 : x
  2. Step 2: Convert to fraction form
    337,511,815.35/508,797,441.39 = 315,013,176.78/x
  3. Step 3: Cross multiply
    337,511,815.35x = 508,797,441.39 × 315,013,176.78
  4. Step 4: Simplify right side
    337,511,815.35x = 160,277,898,349,799,744
  5. Step 5: Solve for x
    x = 160,277,898,349,799,744/337,511,815.35
  6. Step 6: Final answer
    x = 474,880,851.75

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.