Home / 986,733,331.86-1,480,191,326.92-322,751,121.42

Finding the Fourth Proportional to 986,733,331.86, 1,480,191,326.92 and 322,751,121.42

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Solution

The fourth proportional to 986,733,331.86, 1,480,191,326.92 and 322,751,121.42 is: 484,156,555.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,733,331.86 : 1,480,191,326.92 = 322,751,121.42 : x
  2. Step 2: Convert to fraction form
    986,733,331.86/1,480,191,326.92 = 322,751,121.42/x
  3. Step 3: Cross multiply
    986,733,331.86x = 1,480,191,326.92 × 322,751,121.42
  4. Step 4: Simplify right side
    986,733,331.86x = 477,733,410,679,587,904
  5. Step 5: Solve for x
    x = 477,733,410,679,587,904/986,733,331.86
  6. Step 6: Final answer
    x = 484,156,555.02

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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.