Home / 12,591,936,265.80-18,887,904,398.70-12,408,270,256.20

Finding the Fourth Proportional to 12,591,936,265.80, 18,887,904,398.70 and 12,408,270,256.20

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Solution

The fourth proportional to 12,591,936,265.80, 18,887,904,398.70 and 12,408,270,256.20 is: 18,612,405,384.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,591,936,265.80 : 18,887,904,398.70 = 12,408,270,256.20 : x
  2. Step 2: Convert to fraction form
    12,591,936,265.80/18,887,904,398.70 = 12,408,270,256.20/x
  3. Step 3: Cross multiply
    12,591,936,265.80x = 18,887,904,398.70 × 12,408,270,256.20
  4. Step 4: Simplify right side
    12,591,936,265.80x = 234,366,222,352,338,386,944
  5. Step 5: Solve for x
    x = 234,366,222,352,338,386,944/12,591,936,265.80
  6. Step 6: Final answer
    x = 18,612,405,384.30

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1.5x scale

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.