Home / 690,019,264.38-1,034,424,234.81-259,500,091.26

Finding the Fourth Proportional to 690,019,264.38, 1,034,424,234.81 and 259,500,091.26

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Solution

The fourth proportional to 690,019,264.38, 1,034,424,234.81 and 259,500,091.26 is: 389,022,737.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,019,264.38 : 1,034,424,234.81 = 259,500,091.26 : x
  2. Step 2: Convert to fraction form
    690,019,264.38/1,034,424,234.81 = 259,500,091.26/x
  3. Step 3: Cross multiply
    690,019,264.38x = 1,034,424,234.81 × 259,500,091.26
  4. Step 4: Simplify right side
    690,019,264.38x = 268,433,183,334,750,656
  5. Step 5: Solve for x
    x = 268,433,183,334,750,656/690,019,264.38
  6. Step 6: Final answer
    x = 389,022,737.76

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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.