Home / 372,051,589.28-513,427,118.73-204,784,274.30

Finding the Fourth Proportional to 372,051,589.28, 513,427,118.73 and 204,784,274.30

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Solution

The fourth proportional to 372,051,589.28, 513,427,118.73 and 204,784,274.30 is: 282,600,055.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,051,589.28 : 513,427,118.73 = 204,784,274.30 : x
  2. Step 2: Convert to fraction form
    372,051,589.28/513,427,118.73 = 204,784,274.30/x
  3. Step 3: Cross multiply
    372,051,589.28x = 513,427,118.73 × 204,784,274.30
  4. Step 4: Simplify right side
    372,051,589.28x = 105,141,799,915,062,992
  5. Step 5: Solve for x
    x = 105,141,799,915,062,992/372,051,589.28
  6. Step 6: Final answer
    x = 282,600,055.86

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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.