Home / 347,711,557.10-521,567,335.65-342,336,785.90

Finding the Fourth Proportional to 347,711,557.10, 521,567,335.65 and 342,336,785.90

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Solution

The fourth proportional to 347,711,557.10, 521,567,335.65 and 342,336,785.90 is: 513,505,178.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,711,557.10 : 521,567,335.65 = 342,336,785.90 : x
  2. Step 2: Convert to fraction form
    347,711,557.10/521,567,335.65 = 342,336,785.90/x
  3. Step 3: Cross multiply
    347,711,557.10x = 521,567,335.65 × 342,336,785.90
  4. Step 4: Simplify right side
    347,711,557.10x = 178,551,685,316,847,456
  5. Step 5: Solve for x
    x = 178,551,685,316,847,456/347,711,557.10
  6. Step 6: Final answer
    x = 513,505,178.85

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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.