Home / 391,076,165.20-587,062,145.40-229,609,080.40

Finding the Fourth Proportional to 391,076,165.20, 587,062,145.40 and 229,609,080.40

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Solution

The fourth proportional to 391,076,165.20, 587,062,145.40 and 229,609,080.40 is: 344,676,590.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,076,165.20 : 587,062,145.40 = 229,609,080.40 : x
  2. Step 2: Convert to fraction form
    391,076,165.20/587,062,145.40 = 229,609,080.40/x
  3. Step 3: Cross multiply
    391,076,165.20x = 587,062,145.40 × 229,609,080.40
  4. Step 4: Simplify right side
    391,076,165.20x = 134,794,799,342,945,088
  5. Step 5: Solve for x
    x = 134,794,799,342,945,088/391,076,165.20
  6. Step 6: Final answer
    x = 344,676,590.75

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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.