Home / 347,711,555.10-521,567,332.65-342,336,783.90

Finding the Fourth Proportional to 347,711,555.10, 521,567,332.65 and 342,336,783.90

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Solution

The fourth proportional to 347,711,555.10, 521,567,332.65 and 342,336,783.90 is: 513,505,175.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,711,555.10 : 521,567,332.65 = 342,336,783.90 : x
  2. Step 2: Convert to fraction form
    347,711,555.10/521,567,332.65 = 342,336,783.90/x
  3. Step 3: Cross multiply
    347,711,555.10x = 521,567,332.65 × 342,336,783.90
  4. Step 4: Simplify right side
    347,711,555.10x = 178,551,683,246,702,432
  5. Step 5: Solve for x
    x = 178,551,683,246,702,432/347,711,555.10
  6. Step 6: Final answer
    x = 513,505,175.85

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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.