Home / 550,748,225.28-825,819,799.68-378,268,435.20

Finding the Fourth Proportional to 550,748,225.28, 825,819,799.68 and 378,268,435.20

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Solution

The fourth proportional to 550,748,225.28, 825,819,799.68 and 378,268,435.20 is: 567,194,861.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,748,225.28 : 825,819,799.68 = 378,268,435.20 : x
  2. Step 2: Convert to fraction form
    550,748,225.28/825,819,799.68 = 378,268,435.20/x
  3. Step 3: Cross multiply
    550,748,225.28x = 825,819,799.68 × 378,268,435.20
  4. Step 4: Simplify right side
    550,748,225.28x = 312,381,563,382,131,008
  5. Step 5: Solve for x
    x = 312,381,563,382,131,008/550,748,225.28
  6. Step 6: Final answer
    x = 567,194,861.54

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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.