Home / 295,245,285.40-442,867,928.10-279,461,487.70

Finding the Fourth Proportional to 295,245,285.40, 442,867,928.10 and 279,461,487.70

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Solution

The fourth proportional to 295,245,285.40, 442,867,928.10 and 279,461,487.70 is: 419,192,231.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,245,285.40 : 442,867,928.10 = 279,461,487.70 : x
  2. Step 2: Convert to fraction form
    295,245,285.40/442,867,928.10 = 279,461,487.70/x
  3. Step 3: Cross multiply
    295,245,285.40x = 442,867,928.10 × 279,461,487.70
  4. Step 4: Simplify right side
    295,245,285.40x = 123,764,530,041,442,640
  5. Step 5: Solve for x
    x = 123,764,530,041,442,640/295,245,285.40
  6. Step 6: Final answer
    x = 419,192,231.55

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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.