Home / 490,667,286.60-736,000,929.90-284,043,025.80

Finding the Fourth Proportional to 490,667,286.60, 736,000,929.90 and 284,043,025.80

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Solution

The fourth proportional to 490,667,286.60, 736,000,929.90 and 284,043,025.80 is: 426,064,538.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,667,286.60 : 736,000,929.90 = 284,043,025.80 : x
  2. Step 2: Convert to fraction form
    490,667,286.60/736,000,929.90 = 284,043,025.80/x
  3. Step 3: Cross multiply
    490,667,286.60x = 736,000,929.90 × 284,043,025.80
  4. Step 4: Simplify right side
    490,667,286.60x = 209,055,931,120,409,696
  5. Step 5: Solve for x
    x = 209,055,931,120,409,696/490,667,286.60
  6. Step 6: Final answer
    x = 426,064,538.70

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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.