Home / 13,969,601,890.80-20,957,314,170.60-4,656,243,145.20

Finding the Fourth Proportional to 13,969,601,890.80, 20,957,314,170.60 and 4,656,243,145.20

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Solution

The fourth proportional to 13,969,601,890.80, 20,957,314,170.60 and 4,656,243,145.20 is: 6,985,335,101.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,969,601,890.80 : 20,957,314,170.60 = 4,656,243,145.20 : x
  2. Step 2: Convert to fraction form
    13,969,601,890.80/20,957,314,170.60 = 4,656,243,145.20/x
  3. Step 3: Cross multiply
    13,969,601,890.80x = 20,957,314,170.60 × 4,656,243,145.20
  4. Step 4: Simplify right side
    13,969,601,890.80x = 97,582,350,448,659,054,592
  5. Step 5: Solve for x
    x = 97,582,350,448,659,054,592/13,969,601,890.80
  6. Step 6: Final answer
    x = 6,985,335,101.99

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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.