Home / 20,145,095,196.30-30,217,642,794.45-15,936,649,346.70

Finding the Fourth Proportional to 20,145,095,196.30, 30,217,642,794.45 and 15,936,649,346.70

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Solution

The fourth proportional to 20,145,095,196.30, 30,217,642,794.45 and 15,936,649,346.70 is: 23,904,974,020.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,145,095,196.30 : 30,217,642,794.45 = 15,936,649,346.70 : x
  2. Step 2: Convert to fraction form
    20,145,095,196.30/30,217,642,794.45 = 15,936,649,346.70/x
  3. Step 3: Cross multiply
    20,145,095,196.30x = 30,217,642,794.45 × 15,936,649,346.70
  4. Step 4: Simplify right side
    20,145,095,196.30x = 481,567,977,298,985,615,360
  5. Step 5: Solve for x
    x = 481,567,977,298,985,615,360/20,145,095,196.30
  6. Step 6: Final answer
    x = 23,904,974,020.05

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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.