Home / 723,096,050,008.20-997,872,711,891.70-397,935,341,820.25

Finding the Fourth Proportional to 723,096,050,008.20, 997,872,711,891.70 and 397,935,341,820.25

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Solution

The fourth proportional to 723,096,050,008.20, 997,872,711,891.70 and 397,935,341,820.25 is: 549,150,861,348.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,096,050,008.20 : 997,872,711,891.70 = 397,935,341,820.25 : x
  2. Step 2: Convert to fraction form
    723,096,050,008.20/997,872,711,891.70 = 397,935,341,820.25/x
  3. Step 3: Cross multiply
    723,096,050,008.20x = 997,872,711,891.70 × 397,935,341,820.25
  4. Step 4: Simplify right side
    723,096,050,008.20x = 397,088,818,699,723,476,041,728
  5. Step 5: Solve for x
    x = 397,088,818,699,723,476,041,728/723,096,050,008.20
  6. Step 6: Final answer
    x = 549,150,861,348.53

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.