Home / 3,452,555,438.80-5,178,833,158.20-3,428,368,968.40

Finding the Fourth Proportional to 3,452,555,438.80, 5,178,833,158.20 and 3,428,368,968.40

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Solution

The fourth proportional to 3,452,555,438.80, 5,178,833,158.20 and 3,428,368,968.40 is: 5,142,553,452.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,452,555,438.80 : 5,178,833,158.20 = 3,428,368,968.40 : x
  2. Step 2: Convert to fraction form
    3,452,555,438.80/5,178,833,158.20 = 3,428,368,968.40/x
  3. Step 3: Cross multiply
    3,452,555,438.80x = 5,178,833,158.20 × 3,428,368,968.40
  4. Step 4: Simplify right side
    3,452,555,438.80x = 17,754,950,892,093,847,552
  5. Step 5: Solve for x
    x = 17,754,950,892,093,847,552/3,452,555,438.80
  6. Step 6: Final answer
    x = 5,142,553,452.60

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Double scale
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Similar ratio
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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.