Home / 40,257,438,651.76-55,555,433,141.84-22,192,558,005.10

Finding the Fourth Proportional to 40,257,438,651.76, 55,555,433,141.84 and 22,192,558,005.10

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Solution

The fourth proportional to 40,257,438,651.76, 55,555,433,141.84 and 22,192,558,005.10 is: 30,625,822,550.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,257,438,651.76 : 55,555,433,141.84 = 22,192,558,005.10 : x
  2. Step 2: Convert to fraction form
    40,257,438,651.76/55,555,433,141.84 = 22,192,558,005.10/x
  3. Step 3: Cross multiply
    40,257,438,651.76x = 55,555,433,141.84 × 22,192,558,005.10
  4. Step 4: Simplify right side
    40,257,438,651.76x = 1,232,917,172,498,738,970,624
  5. Step 5: Solve for x
    x = 1,232,917,172,498,738,970,624/40,257,438,651.76
  6. Step 6: Final answer
    x = 30,625,822,550.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.