Home / 3,426,149,786.76-4,729,635,932.66-2,157,854,713.22

Finding the Fourth Proportional to 3,426,149,786.76, 4,729,635,932.66 and 2,157,854,713.22

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Solution

The fourth proportional to 3,426,149,786.76, 4,729,635,932.66 and 2,157,854,713.22 is: 2,978,815,237.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,426,149,786.76 : 4,729,635,932.66 = 2,157,854,713.22 : x
  2. Step 2: Convert to fraction form
    3,426,149,786.76/4,729,635,932.66 = 2,157,854,713.22/x
  3. Step 3: Cross multiply
    3,426,149,786.76x = 4,729,635,932.66 × 2,157,854,713.22
  4. Step 4: Simplify right side
    3,426,149,786.76x = 10,205,867,189,070,614,528
  5. Step 5: Solve for x
    x = 10,205,867,189,070,614,528/3,426,149,786.76
  6. Step 6: Final answer
    x = 2,978,815,237.01

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Half scale
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Double scale
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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.