Home / 306,443,067.80-459,664,601.70-268,179,315.80

Finding the Fourth Proportional to 306,443,067.80, 459,664,601.70 and 268,179,315.80

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Solution

The fourth proportional to 306,443,067.80, 459,664,601.70 and 268,179,315.80 is: 402,268,973.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,443,067.80 : 459,664,601.70 = 268,179,315.80 : x
  2. Step 2: Convert to fraction form
    306,443,067.80/459,664,601.70 = 268,179,315.80/x
  3. Step 3: Cross multiply
    306,443,067.80x = 459,664,601.70 × 268,179,315.80
  4. Step 4: Simplify right side
    306,443,067.80x = 123,272,538,381,385,520
  5. Step 5: Solve for x
    x = 123,272,538,381,385,520/306,443,067.80
  6. Step 6: Final answer
    x = 402,268,973.70

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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.