Home / 2,129,972,205.80-3,193,446,654.30-965,998,317.80

Finding the Fourth Proportional to 2,129,972,205.80, 3,193,446,654.30 and 965,998,317.80

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Solution

The fourth proportional to 2,129,972,205.80, 3,193,446,654.30 and 965,998,317.80 is: 1,448,311,901.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,129,972,205.80 : 3,193,446,654.30 = 965,998,317.80 : x
  2. Step 2: Convert to fraction form
    2,129,972,205.80/3,193,446,654.30 = 965,998,317.80/x
  3. Step 3: Cross multiply
    2,129,972,205.80x = 3,193,446,654.30 × 965,998,317.80
  4. Step 4: Simplify right side
    2,129,972,205.80x = 3,084,864,096,037,838,336
  5. Step 5: Solve for x
    x = 3,084,864,096,037,838,336/2,129,972,205.80
  6. Step 6: Final answer
    x = 1,448,311,901.74

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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.