Home / 668,221,635.70-1,002,332,453.55-622,872,003.70

Finding the Fourth Proportional to 668,221,635.70, 1,002,332,453.55 and 622,872,003.70

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Solution

The fourth proportional to 668,221,635.70, 1,002,332,453.55 and 622,872,003.70 is: 934,308,005.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,221,635.70 : 1,002,332,453.55 = 622,872,003.70 : x
  2. Step 2: Convert to fraction form
    668,221,635.70/1,002,332,453.55 = 622,872,003.70/x
  3. Step 3: Cross multiply
    668,221,635.70x = 1,002,332,453.55 × 622,872,003.70
  4. Step 4: Simplify right side
    668,221,635.70x = 624,324,823,716,225,664
  5. Step 5: Solve for x
    x = 624,324,823,716,225,664/668,221,635.70
  6. Step 6: Final answer
    x = 934,308,005.55

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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.