Home / 818,040,766.52-1,128,924,115.36-483,799,806.92

Finding the Fourth Proportional to 818,040,766.52, 1,128,924,115.36 and 483,799,806.92

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Solution

The fourth proportional to 818,040,766.52, 1,128,924,115.36 and 483,799,806.92 is: 667,660,208.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,040,766.52 : 1,128,924,115.36 = 483,799,806.92 : x
  2. Step 2: Convert to fraction form
    818,040,766.52/1,128,924,115.36 = 483,799,806.92/x
  3. Step 3: Cross multiply
    818,040,766.52x = 1,128,924,115.36 × 483,799,806.92
  4. Step 4: Simplify right side
    818,040,766.52x = 546,173,269,040,135,232
  5. Step 5: Solve for x
    x = 546,173,269,040,135,232/818,040,766.52
  6. Step 6: Final answer
    x = 667,660,208.87

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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.