Home / 10,644,489,720.20-15,966,734,580.30-4,431,590,136.20

Finding the Fourth Proportional to 10,644,489,720.20, 15,966,734,580.30 and 4,431,590,136.20

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Solution

The fourth proportional to 10,644,489,720.20, 15,966,734,580.30 and 4,431,590,136.20 is: 6,647,385,204.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,644,489,720.20 : 15,966,734,580.30 = 4,431,590,136.20 : x
  2. Step 2: Convert to fraction form
    10,644,489,720.20/15,966,734,580.30 = 4,431,590,136.20/x
  3. Step 3: Cross multiply
    10,644,489,720.20x = 15,966,734,580.30 × 4,431,590,136.20
  4. Step 4: Simplify right side
    10,644,489,720.20x = 70,758,023,473,380,917,248
  5. Step 5: Solve for x
    x = 70,758,023,473,380,917,248/10,644,489,720.20
  6. Step 6: Final answer
    x = 6,647,385,204.30

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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.