Home / 331,449,152.38-497,258,177.86-98,288,381.72

Finding the Fourth Proportional to 331,449,152.38, 497,258,177.86 and 98,288,381.72

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Solution

The fourth proportional to 331,449,152.38, 497,258,177.86 and 98,288,381.72 is: 147,457,615.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,449,152.38 : 497,258,177.86 = 98,288,381.72 : x
  2. Step 2: Convert to fraction form
    331,449,152.38/497,258,177.86 = 98,288,381.72/x
  3. Step 3: Cross multiply
    331,449,152.38x = 497,258,177.86 × 98,288,381.72
  4. Step 4: Simplify right side
    331,449,152.38x = 48,874,701,598,895,336
  5. Step 5: Solve for x
    x = 48,874,701,598,895,336/331,449,152.38
  6. Step 6: Final answer
    x = 147,457,615.29

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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.