Home / 6,418,588,751.10-9,628,542,847.86-2,221,534,714.74

Finding the Fourth Proportional to 6,418,588,751.10, 9,628,542,847.86 and 2,221,534,714.74

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Solution

The fourth proportional to 6,418,588,751.10, 9,628,542,847.86 and 2,221,534,714.74 is: 3,332,530,407.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,418,588,751.10 : 9,628,542,847.86 = 2,221,534,714.74 : x
  2. Step 2: Convert to fraction form
    6,418,588,751.10/9,628,542,847.86 = 2,221,534,714.74/x
  3. Step 3: Cross multiply
    6,418,588,751.10x = 9,628,542,847.86 × 2,221,534,714.74
  4. Step 4: Simplify right side
    6,418,588,751.10x = 21,390,142,188,882,530,304
  5. Step 5: Solve for x
    x = 21,390,142,188,882,530,304/6,418,588,751.10
  6. Step 6: Final answer
    x = 3,332,530,407.91

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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.