Home / 463,278,338.68-639,321,634.47-251,583,318.85

Finding the Fourth Proportional to 463,278,338.68, 639,321,634.47 and 251,583,318.85

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Solution

The fourth proportional to 463,278,338.68, 639,321,634.47 and 251,583,318.85 is: 347,183,637.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,278,338.68 : 639,321,634.47 = 251,583,318.85 : x
  2. Step 2: Convert to fraction form
    463,278,338.68/639,321,634.47 = 251,583,318.85/x
  3. Step 3: Cross multiply
    463,278,338.68x = 639,321,634.47 × 251,583,318.85
  4. Step 4: Simplify right side
    463,278,338.68x = 160,842,658,612,569,152
  5. Step 5: Solve for x
    x = 160,842,658,612,569,152/463,278,338.68
  6. Step 6: Final answer
    x = 347,183,637.10

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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.