Home / 7,678,684,258.80-11,518,026,388.20-2,157,942,290.55

Finding the Fourth Proportional to 7,678,684,258.80, 11,518,026,388.20 and 2,157,942,290.55

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Solution

The fourth proportional to 7,678,684,258.80, 11,518,026,388.20 and 2,157,942,290.55 is: 3,236,913,435.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,678,684,258.80 : 11,518,026,388.20 = 2,157,942,290.55 : x
  2. Step 2: Convert to fraction form
    7,678,684,258.80/11,518,026,388.20 = 2,157,942,290.55/x
  3. Step 3: Cross multiply
    7,678,684,258.80x = 11,518,026,388.20 × 2,157,942,290.55
  4. Step 4: Simplify right side
    7,678,684,258.80x = 24,855,236,246,723,883,008
  5. Step 5: Solve for x
    x = 24,855,236,246,723,883,008/7,678,684,258.80
  6. Step 6: Final answer
    x = 3,236,913,435.82

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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.