Home / 7,278,536,440.20-10,917,804,660.30-3,605,216,248.20

Finding the Fourth Proportional to 7,278,536,440.20, 10,917,804,660.30 and 3,605,216,248.20

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Solution

The fourth proportional to 7,278,536,440.20, 10,917,804,660.30 and 3,605,216,248.20 is: 5,407,824,372.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,278,536,440.20 : 10,917,804,660.30 = 3,605,216,248.20 : x
  2. Step 2: Convert to fraction form
    7,278,536,440.20/10,917,804,660.30 = 3,605,216,248.20/x
  3. Step 3: Cross multiply
    7,278,536,440.20x = 10,917,804,660.30 × 3,605,216,248.20
  4. Step 4: Simplify right side
    7,278,536,440.20x = 39,361,046,755,987,234,816
  5. Step 5: Solve for x
    x = 39,361,046,755,987,234,816/7,278,536,440.20
  6. Step 6: Final answer
    x = 5,407,824,372.30

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Double scale
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1.5x scale

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.