Home / 20,196,398,570.10-30,294,597,855.15-5,474,419,988.10

Finding the Fourth Proportional to 20,196,398,570.10, 30,294,597,855.15 and 5,474,419,988.10

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Solution

The fourth proportional to 20,196,398,570.10, 30,294,597,855.15 and 5,474,419,988.10 is: 8,211,629,982.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,196,398,570.10 : 30,294,597,855.15 = 5,474,419,988.10 : x
  2. Step 2: Convert to fraction form
    20,196,398,570.10/30,294,597,855.15 = 5,474,419,988.10/x
  3. Step 3: Cross multiply
    20,196,398,570.10x = 30,294,597,855.15 × 5,474,419,988.10
  4. Step 4: Simplify right side
    20,196,398,570.10x = 165,845,352,029,684,563,968
  5. Step 5: Solve for x
    x = 165,845,352,029,684,563,968/20,196,398,570.10
  6. Step 6: Final answer
    x = 8,211,629,982.15

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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.