Home / 295,245,364.20-442,868,046.30-278,239,252.20

Finding the Fourth Proportional to 295,245,364.20, 442,868,046.30 and 278,239,252.20

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Solution

The fourth proportional to 295,245,364.20, 442,868,046.30 and 278,239,252.20 is: 417,358,878.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,245,364.20 : 442,868,046.30 = 278,239,252.20 : x
  2. Step 2: Convert to fraction form
    295,245,364.20/442,868,046.30 = 278,239,252.20/x
  3. Step 3: Cross multiply
    295,245,364.20x = 442,868,046.30 × 278,239,252.20
  4. Step 4: Simplify right side
    295,245,364.20x = 123,223,274,025,786,976
  5. Step 5: Solve for x
    x = 123,223,274,025,786,976/295,245,364.20
  6. Step 6: Final answer
    x = 417,358,878.30

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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.