Home / 491,548,432.16-678,346,836-268,544,557.74

Finding the Fourth Proportional to 491,548,432.16, 678,346,836 and 268,544,557.74

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Solution

The fourth proportional to 491,548,432.16, 678,346,836 and 268,544,557.74 is: 370,596,952.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,548,432.16 : 678,346,836 = 268,544,557.74 : x
  2. Step 2: Convert to fraction form
    491,548,432.16/678,346,836 = 268,544,557.74/x
  3. Step 3: Cross multiply
    491,548,432.16x = 678,346,836 × 268,544,557.74
  4. Step 4: Simplify right side
    491,548,432.16x = 182,166,351,067,948,320
  5. Step 5: Solve for x
    x = 182,166,351,067,948,320/491,548,432.16
  6. Step 6: Final answer
    x = 370,596,952.71

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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.