Home / 822,072,649.82-1,234,161,227.84-706,229,140.64

Finding the Fourth Proportional to 822,072,649.82, 1,234,161,227.84 and 706,229,140.64

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Solution

The fourth proportional to 822,072,649.82, 1,234,161,227.84 and 706,229,140.64 is: 1,060,247,684.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,072,649.82 : 1,234,161,227.84 = 706,229,140.64 : x
  2. Step 2: Convert to fraction form
    822,072,649.82/1,234,161,227.84 = 706,229,140.64/x
  3. Step 3: Cross multiply
    822,072,649.82x = 1,234,161,227.84 × 706,229,140.64
  4. Step 4: Simplify right side
    822,072,649.82x = 871,600,623,338,948,480
  5. Step 5: Solve for x
    x = 871,600,623,338,948,480/822,072,649.82
  6. Step 6: Final answer
    x = 1,060,247,684.36

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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.