Home / 723,096,050,020.05-997,872,711,908.10-397,935,341,832.15

Finding the Fourth Proportional to 723,096,050,020.05, 997,872,711,908.10 and 397,935,341,832.15

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Solution

The fourth proportional to 723,096,050,020.05, 997,872,711,908.10 and 397,935,341,832.15 is: 549,150,861,364.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,096,050,020.05 : 997,872,711,908.10 = 397,935,341,832.15 : x
  2. Step 2: Convert to fraction form
    723,096,050,020.05/997,872,711,908.10 = 397,935,341,832.15/x
  3. Step 3: Cross multiply
    723,096,050,020.05x = 997,872,711,908.10 × 397,935,341,832.15
  4. Step 4: Simplify right side
    723,096,050,020.05x = 397,088,818,718,124,323,897,344
  5. Step 5: Solve for x
    x = 397,088,818,718,124,323,897,344/723,096,050,020.05
  6. Step 6: Final answer
    x = 549,150,861,364.98

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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.