Home / 12,591,936,210.30-18,887,904,315.45-12,408,270,200.70

Finding the Fourth Proportional to 12,591,936,210.30, 18,887,904,315.45 and 12,408,270,200.70

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Solution

The fourth proportional to 12,591,936,210.30, 18,887,904,315.45 and 12,408,270,200.70 is: 18,612,405,301.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,591,936,210.30 : 18,887,904,315.45 = 12,408,270,200.70 : x
  2. Step 2: Convert to fraction form
    12,591,936,210.30/18,887,904,315.45 = 12,408,270,200.70/x
  3. Step 3: Cross multiply
    12,591,936,210.30x = 18,887,904,315.45 × 12,408,270,200.70
  4. Step 4: Simplify right side
    12,591,936,210.30x = 234,366,220,271,071,199,232
  5. Step 5: Solve for x
    x = 234,366,220,271,071,199,232/12,591,936,210.30
  6. Step 6: Final answer
    x = 18,612,405,301.05

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Double scale
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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.