Home / 1,259,850,770.20-1,886,469,411.30-889,385,217.40

Finding the Fourth Proportional to 1,259,850,770.20, 1,886,469,411.30 and 889,385,217.40

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Solution

The fourth proportional to 1,259,850,770.20, 1,886,469,411.30 and 889,385,217.40 is: 1,331,743,447.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,850,770.20 : 1,886,469,411.30 = 889,385,217.40 : x
  2. Step 2: Convert to fraction form
    1,259,850,770.20/1,886,469,411.30 = 889,385,217.40/x
  3. Step 3: Cross multiply
    1,259,850,770.20x = 1,886,469,411.30 × 889,385,217.40
  4. Step 4: Simplify right side
    1,259,850,770.20x = 1,677,798,007,487,500,544
  5. Step 5: Solve for x
    x = 1,677,798,007,487,500,544/1,259,850,770.20
  6. Step 6: Final answer
    x = 1,331,743,447.06

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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.