Home / 347,728,207.80-521,592,311.70-311,448,502.20

Finding the Fourth Proportional to 347,728,207.80, 521,592,311.70 and 311,448,502.20

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Solution

The fourth proportional to 347,728,207.80, 521,592,311.70 and 311,448,502.20 is: 467,172,753.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,728,207.80 : 521,592,311.70 = 311,448,502.20 : x
  2. Step 2: Convert to fraction form
    347,728,207.80/521,592,311.70 = 311,448,502.20/x
  3. Step 3: Cross multiply
    347,728,207.80x = 521,592,311.70 × 311,448,502.20
  4. Step 4: Simplify right side
    347,728,207.80x = 162,449,144,238,000,512
  5. Step 5: Solve for x
    x = 162,449,144,238,000,512/347,728,207.80
  6. Step 6: Final answer
    x = 467,172,753.30

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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.