Home / 12,367,892,292.78-18,551,838,439.17-6,470,172,651.18

Finding the Fourth Proportional to 12,367,892,292.78, 18,551,838,439.17 and 6,470,172,651.18

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Solution

The fourth proportional to 12,367,892,292.78, 18,551,838,439.17 and 6,470,172,651.18 is: 9,705,258,976.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,367,892,292.78 : 18,551,838,439.17 = 6,470,172,651.18 : x
  2. Step 2: Convert to fraction form
    12,367,892,292.78/18,551,838,439.17 = 6,470,172,651.18/x
  3. Step 3: Cross multiply
    12,367,892,292.78x = 18,551,838,439.17 × 6,470,172,651.18
  4. Step 4: Simplify right side
    12,367,892,292.78x = 120,033,597,698,102,493,184
  5. Step 5: Solve for x
    x = 120,033,597,698,102,493,184/12,367,892,292.78
  6. Step 6: Final answer
    x = 9,705,258,976.76

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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.