Home / 468,471,561.30-646,490,761.55-259,641,156.05

Finding the Fourth Proportional to 468,471,561.30, 646,490,761.55 and 259,641,156.05

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Solution

The fourth proportional to 468,471,561.30, 646,490,761.55 and 259,641,156.05 is: 358,304,799.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,471,561.30 : 646,490,761.55 = 259,641,156.05 : x
  2. Step 2: Convert to fraction form
    468,471,561.30/646,490,761.55 = 259,641,156.05/x
  3. Step 3: Cross multiply
    468,471,561.30x = 646,490,761.55 × 259,641,156.05
  4. Step 4: Simplify right side
    468,471,561.30x = 167,855,608,704,486,880
  5. Step 5: Solve for x
    x = 167,855,608,704,486,880/468,471,561.30
  6. Step 6: Final answer
    x = 358,304,799.20

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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.