Home / 372,491,119.12-513,956,674.92-225,849,444.88

Finding the Fourth Proportional to 372,491,119.12, 513,956,674.92 and 225,849,444.88

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Solution

The fourth proportional to 372,491,119.12, 513,956,674.92 and 225,849,444.88 is: 311,623,079.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,491,119.12 : 513,956,674.92 = 225,849,444.88 : x
  2. Step 2: Convert to fraction form
    372,491,119.12/513,956,674.92 = 225,849,444.88/x
  3. Step 3: Cross multiply
    372,491,119.12x = 513,956,674.92 × 225,849,444.88
  4. Step 4: Simplify right side
    372,491,119.12x = 116,076,829,723,052,624
  5. Step 5: Solve for x
    x = 116,076,829,723,052,624/372,491,119.12
  6. Step 6: Final answer
    x = 311,623,079.76

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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.