Home / 668,736,217.20-1,002,254,020.20-322,945,273.20

Finding the Fourth Proportional to 668,736,217.20, 1,002,254,020.20 and 322,945,273.20

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Solution

The fourth proportional to 668,736,217.20, 1,002,254,020.20 and 322,945,273.20 is: 484,007,281.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,736,217.20 : 1,002,254,020.20 = 322,945,273.20 : x
  2. Step 2: Convert to fraction form
    668,736,217.20/1,002,254,020.20 = 322,945,273.20/x
  3. Step 3: Cross multiply
    668,736,217.20x = 1,002,254,020.20 × 322,945,273.20
  4. Step 4: Simplify right side
    668,736,217.20x = 323,673,198,369,287,296
  5. Step 5: Solve for x
    x = 323,673,198,369,287,296/668,736,217.20
  6. Step 6: Final answer
    x = 484,007,281.26

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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.