Home / 2,126,723,010.40-3,188,649,624.90-1,021,857,171.40

Finding the Fourth Proportional to 2,126,723,010.40, 3,188,649,624.90 and 1,021,857,171.40

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Solution

The fourth proportional to 2,126,723,010.40, 3,188,649,624.90 and 1,021,857,171.40 is: 1,532,096,314.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126,723,010.40 : 3,188,649,624.90 = 1,021,857,171.40 : x
  2. Step 2: Convert to fraction form
    2,126,723,010.40/3,188,649,624.90 = 1,021,857,171.40/x
  3. Step 3: Cross multiply
    2,126,723,010.40x = 3,188,649,624.90 × 1,021,857,171.40
  4. Step 4: Simplify right side
    2,126,723,010.40x = 3,258,344,486,285,985,280
  5. Step 5: Solve for x
    x = 3,258,344,486,285,985,280/2,126,723,010.40
  6. Step 6: Final answer
    x = 1,532,096,314.54

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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.