Home / 8,422,657,009.20-12,613,932,517.14-4,873,917,489.84

Finding the Fourth Proportional to 8,422,657,009.20, 12,613,932,517.14 and 4,873,917,489.84

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Solution

The fourth proportional to 8,422,657,009.20, 12,613,932,517.14 and 4,873,917,489.84 is: 7,299,272,218.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,422,657,009.20 : 12,613,932,517.14 = 4,873,917,489.84 : x
  2. Step 2: Convert to fraction form
    8,422,657,009.20/12,613,932,517.14 = 4,873,917,489.84/x
  3. Step 3: Cross multiply
    8,422,657,009.20x = 12,613,932,517.14 × 4,873,917,489.84
  4. Step 4: Simplify right side
    8,422,657,009.20x = 61,479,266,310,950,141,952
  5. Step 5: Solve for x
    x = 61,479,266,310,950,141,952/8,422,657,009.20
  6. Step 6: Final answer
    x = 7,299,272,218.23

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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.