Home / 30,448,608,138.47-42,015,671,351.24-16,900,816,310.73

Finding the Fourth Proportional to 30,448,608,138.47, 42,015,671,351.24 and 16,900,816,310.73

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Solution

The fourth proportional to 30,448,608,138.47, 42,015,671,351.24 and 16,900,816,310.73 is: 23,321,234,929.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,448,608,138.47 : 42,015,671,351.24 = 16,900,816,310.73 : x
  2. Step 2: Convert to fraction form
    30,448,608,138.47/42,015,671,351.24 = 16,900,816,310.73/x
  3. Step 3: Cross multiply
    30,448,608,138.47x = 42,015,671,351.24 × 16,900,816,310.73
  4. Step 4: Simplify right side
    30,448,608,138.47x = 710,099,143,679,240,568,832
  5. Step 5: Solve for x
    x = 710,099,143,679,240,568,832/30,448,608,138.47
  6. Step 6: Final answer
    x = 23,321,234,929.69

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.