Home / 485,482,753.20-669,837,025.56-276,634,444.08

Finding the Fourth Proportional to 485,482,753.20, 669,837,025.56 and 276,634,444.08

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Solution

The fourth proportional to 485,482,753.20, 669,837,025.56 and 276,634,444.08 is: 381,681,927.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,482,753.20 : 669,837,025.56 = 276,634,444.08 : x
  2. Step 2: Convert to fraction form
    485,482,753.20/669,837,025.56 = 276,634,444.08/x
  3. Step 3: Cross multiply
    485,482,753.20x = 669,837,025.56 × 276,634,444.08
  4. Step 4: Simplify right side
    485,482,753.20x = 185,299,993,189,991,328
  5. Step 5: Solve for x
    x = 185,299,993,189,991,328/485,482,753.20
  6. Step 6: Final answer
    x = 381,681,927.87

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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.