Home / 539,467,458.40-806,812,400.40-453,471,119.20

Finding the Fourth Proportional to 539,467,458.40, 806,812,400.40 and 453,471,119.20

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Solution

The fourth proportional to 539,467,458.40, 806,812,400.40 and 453,471,119.20 is: 678,198,687.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,467,458.40 : 806,812,400.40 = 453,471,119.20 : x
  2. Step 2: Convert to fraction form
    539,467,458.40/806,812,400.40 = 453,471,119.20/x
  3. Step 3: Cross multiply
    539,467,458.40x = 806,812,400.40 × 453,471,119.20
  4. Step 4: Simplify right side
    539,467,458.40x = 365,866,122,193,826,496
  5. Step 5: Solve for x
    x = 365,866,122,193,826,496/539,467,458.40
  6. Step 6: Final answer
    x = 678,198,687.42

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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.