Home / 723,096,051,272.15-997,872,713,635.20-397,935,343,084.32

Finding the Fourth Proportional to 723,096,051,272.15, 997,872,713,635.20 and 397,935,343,084.32

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Solution

The fourth proportional to 723,096,051,272.15, 997,872,713,635.20 and 397,935,343,084.32 is: 549,150,863,092.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,096,051,272.15 : 997,872,713,635.20 = 397,935,343,084.32 : x
  2. Step 2: Convert to fraction form
    723,096,051,272.15/997,872,713,635.20 = 397,935,343,084.32/x
  3. Step 3: Cross multiply
    723,096,051,272.15x = 997,872,713,635.20 × 397,935,343,084.32
  4. Step 4: Simplify right side
    723,096,051,272.15x = 397,088,820,654,904,728,092,672
  5. Step 5: Solve for x
    x = 397,088,820,654,904,728,092,672/723,096,051,272.15
  6. Step 6: Final answer
    x = 549,150,863,092.53

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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.