Home / 503,486,125.39-694,718,617.34-280,462,256.90

Finding the Fourth Proportional to 503,486,125.39, 694,718,617.34 and 280,462,256.90

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Solution

The fourth proportional to 503,486,125.39, 694,718,617.34 and 280,462,256.90 is: 386,986,535.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,486,125.39 : 694,718,617.34 = 280,462,256.90 : x
  2. Step 2: Convert to fraction form
    503,486,125.39/694,718,617.34 = 280,462,256.90/x
  3. Step 3: Cross multiply
    503,486,125.39x = 694,718,617.34 × 280,462,256.90
  4. Step 4: Simplify right side
    503,486,125.39x = 194,842,351,326,150,272
  5. Step 5: Solve for x
    x = 194,842,351,326,150,272/503,486,125.39
  6. Step 6: Final answer
    x = 386,986,535.48

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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.