Home / 347,711,530.10-521,567,295.15-342,336,758.90

Finding the Fourth Proportional to 347,711,530.10, 521,567,295.15 and 342,336,758.90

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Solution

The fourth proportional to 347,711,530.10, 521,567,295.15 and 342,336,758.90 is: 513,505,138.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,711,530.10 : 521,567,295.15 = 342,336,758.90 : x
  2. Step 2: Convert to fraction form
    347,711,530.10/521,567,295.15 = 342,336,758.90/x
  3. Step 3: Cross multiply
    347,711,530.10x = 521,567,295.15 × 342,336,758.90
  4. Step 4: Simplify right side
    347,711,530.10x = 178,551,657,369,890,656
  5. Step 5: Solve for x
    x = 178,551,657,369,890,656/347,711,530.10
  6. Step 6: Final answer
    x = 513,505,138.35

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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.