Home / 663,145,622.30-994,718,433.45-622,801,660.70

Finding the Fourth Proportional to 663,145,622.30, 994,718,433.45 and 622,801,660.70

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Solution

The fourth proportional to 663,145,622.30, 994,718,433.45 and 622,801,660.70 is: 934,202,491.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,145,622.30 : 994,718,433.45 = 622,801,660.70 : x
  2. Step 2: Convert to fraction form
    663,145,622.30/994,718,433.45 = 622,801,660.70/x
  3. Step 3: Cross multiply
    663,145,622.30x = 994,718,433.45 × 622,801,660.70
  4. Step 4: Simplify right side
    663,145,622.30x = 619,512,292,281,562,496
  5. Step 5: Solve for x
    x = 619,512,292,281,562,496/663,145,622.30
  6. Step 6: Final answer
    x = 934,202,491.05

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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.