Home / 1,325,228,498.91-1,828,800,427.19-722,385,911.43

Finding the Fourth Proportional to 1,325,228,498.91, 1,828,800,427.19 and 722,385,911.43

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Solution

The fourth proportional to 1,325,228,498.91, 1,828,800,427.19 and 722,385,911.43 is: 996,884,435.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,228,498.91 : 1,828,800,427.19 = 722,385,911.43 : x
  2. Step 2: Convert to fraction form
    1,325,228,498.91/1,828,800,427.19 = 722,385,911.43/x
  3. Step 3: Cross multiply
    1,325,228,498.91x = 1,828,800,427.19 × 722,385,911.43
  4. Step 4: Simplify right side
    1,325,228,498.91x = 1,321,099,663,415,609,344
  5. Step 5: Solve for x
    x = 1,321,099,663,415,609,344/1,325,228,498.91
  6. Step 6: Final answer
    x = 996,884,435.03

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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.