Home / 5,518,344,578.20-8,277,516,867.30-5,119,267,816.60

Finding the Fourth Proportional to 5,518,344,578.20, 8,277,516,867.30 and 5,119,267,816.60

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Solution

The fourth proportional to 5,518,344,578.20, 8,277,516,867.30 and 5,119,267,816.60 is: 7,678,901,724.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,518,344,578.20 : 8,277,516,867.30 = 5,119,267,816.60 : x
  2. Step 2: Convert to fraction form
    5,518,344,578.20/8,277,516,867.30 = 5,119,267,816.60/x
  3. Step 3: Cross multiply
    5,518,344,578.20x = 8,277,516,867.30 × 5,119,267,816.60
  4. Step 4: Simplify right side
    5,518,344,578.20x = 42,374,825,700,132,544,512
  5. Step 5: Solve for x
    x = 42,374,825,700,132,544,512/5,518,344,578.20
  6. Step 6: Final answer
    x = 7,678,901,724.90

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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.