Home / 799,219,974.06-1,198,284,404.22-425,783,691.18

Finding the Fourth Proportional to 799,219,974.06, 1,198,284,404.22 and 425,783,691.18

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Solution

The fourth proportional to 799,219,974.06, 1,198,284,404.22 and 425,783,691.18 is: 638,384,891.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,219,974.06 : 1,198,284,404.22 = 425,783,691.18 : x
  2. Step 2: Convert to fraction form
    799,219,974.06/1,198,284,404.22 = 425,783,691.18/x
  3. Step 3: Cross multiply
    799,219,974.06x = 1,198,284,404.22 × 425,783,691.18
  4. Step 4: Simplify right side
    799,219,974.06x = 510,209,956,712,218,816
  5. Step 5: Solve for x
    x = 510,209,956,712,218,816/799,219,974.06
  6. Step 6: Final answer
    x = 638,384,891.86

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1.5x scale

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.