Home / 822,072,645.30-1,234,161,221.09-706,229,136.12

Finding the Fourth Proportional to 822,072,645.30, 1,234,161,221.09 and 706,229,136.12

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Solution

The fourth proportional to 822,072,645.30, 1,234,161,221.09 and 706,229,136.12 is: 1,060,247,677.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,072,645.30 : 1,234,161,221.09 = 706,229,136.12 : x
  2. Step 2: Convert to fraction form
    822,072,645.30/1,234,161,221.09 = 706,229,136.12/x
  3. Step 3: Cross multiply
    822,072,645.30x = 1,234,161,221.09 × 706,229,136.12
  4. Step 4: Simplify right side
    822,072,645.30x = 871,600,613,004,279,680
  5. Step 5: Solve for x
    x = 871,600,613,004,279,680/822,072,645.30
  6. Step 6: Final answer
    x = 1,060,247,677.60

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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.