Home / 20,405,814,000.10-30,608,721,000.15-16,919,029,599.10

Finding the Fourth Proportional to 20,405,814,000.10, 30,608,721,000.15 and 16,919,029,599.10

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Solution

The fourth proportional to 20,405,814,000.10, 30,608,721,000.15 and 16,919,029,599.10 is: 25,378,544,398.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,405,814,000.10 : 30,608,721,000.15 = 16,919,029,599.10 : x
  2. Step 2: Convert to fraction form
    20,405,814,000.10/30,608,721,000.15 = 16,919,029,599.10/x
  3. Step 3: Cross multiply
    20,405,814,000.10x = 30,608,721,000.15 × 16,919,029,599.10
  4. Step 4: Simplify right side
    20,405,814,000.10x = 517,869,856,592,131,653,632
  5. Step 5: Solve for x
    x = 517,869,856,592,131,653,632/20,405,814,000.10
  6. Step 6: Final answer
    x = 25,378,544,398.65

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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.