Home / 306,002,800.20-459,004,200.30-279,218,173.80

Finding the Fourth Proportional to 306,002,800.20, 459,004,200.30 and 279,218,173.80

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Solution

The fourth proportional to 306,002,800.20, 459,004,200.30 and 279,218,173.80 is: 418,827,260.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,002,800.20 : 459,004,200.30 = 279,218,173.80 : x
  2. Step 2: Convert to fraction form
    306,002,800.20/459,004,200.30 = 279,218,173.80/x
  3. Step 3: Cross multiply
    306,002,800.20x = 459,004,200.30 × 279,218,173.80
  4. Step 4: Simplify right side
    306,002,800.20x = 128,162,314,574,295,424
  5. Step 5: Solve for x
    x = 128,162,314,574,295,424/306,002,800.20
  6. Step 6: Final answer
    x = 418,827,260.70

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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.