Home / 437,582,474.15-656,373,653.81-178,797,426.80

Finding the Fourth Proportional to 437,582,474.15, 656,373,653.81 and 178,797,426.80

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Solution

The fourth proportional to 437,582,474.15, 656,373,653.81 and 178,797,426.80 is: 268,196,116.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,582,474.15 : 656,373,653.81 = 178,797,426.80 : x
  2. Step 2: Convert to fraction form
    437,582,474.15/656,373,653.81 = 178,797,426.80/x
  3. Step 3: Cross multiply
    437,582,474.15x = 656,373,653.81 × 178,797,426.80
  4. Step 4: Simplify right side
    437,582,474.15x = 117,357,920,320,542,016
  5. Step 5: Solve for x
    x = 117,357,920,320,542,016/437,582,474.15
  6. Step 6: Final answer
    x = 268,196,116.74

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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.