Home / 814,506,800.10-1,221,760,200.15-296,954,124.90

Finding the Fourth Proportional to 814,506,800.10, 1,221,760,200.15 and 296,954,124.90

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Solution

The fourth proportional to 814,506,800.10, 1,221,760,200.15 and 296,954,124.90 is: 445,431,187.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,506,800.10 : 1,221,760,200.15 = 296,954,124.90 : x
  2. Step 2: Convert to fraction form
    814,506,800.10/1,221,760,200.15 = 296,954,124.90/x
  3. Step 3: Cross multiply
    814,506,800.10x = 1,221,760,200.15 × 296,954,124.90
  4. Step 4: Simplify right side
    814,506,800.10x = 362,806,731,073,192,128
  5. Step 5: Solve for x
    x = 362,806,731,073,192,128/814,506,800.10
  6. Step 6: Final answer
    x = 445,431,187.35

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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.