Home / 668,221,634.20-1,002,332,451.30-622,872,002.20

Finding the Fourth Proportional to 668,221,634.20, 1,002,332,451.30 and 622,872,002.20

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Solution

The fourth proportional to 668,221,634.20, 1,002,332,451.30 and 622,872,002.20 is: 934,308,003.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,221,634.20 : 1,002,332,451.30 = 622,872,002.20 : x
  2. Step 2: Convert to fraction form
    668,221,634.20/1,002,332,451.30 = 622,872,002.20/x
  3. Step 3: Cross multiply
    668,221,634.20x = 1,002,332,451.30 × 622,872,002.20
  4. Step 4: Simplify right side
    668,221,634.20x = 624,324,820,811,265,024
  5. Step 5: Solve for x
    x = 624,324,820,811,265,024/668,221,634.20
  6. Step 6: Final answer
    x = 934,308,003.30

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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.