Home / 247,788,609.70-371,682,914.55-207,477,825.70

Finding the Fourth Proportional to 247,788,609.70, 371,682,914.55 and 207,477,825.70

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Solution

The fourth proportional to 247,788,609.70, 371,682,914.55 and 207,477,825.70 is: 311,216,738.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,788,609.70 : 371,682,914.55 = 207,477,825.70 : x
  2. Step 2: Convert to fraction form
    247,788,609.70/371,682,914.55 = 207,477,825.70/x
  3. Step 3: Cross multiply
    247,788,609.70x = 371,682,914.55 × 207,477,825.70
  4. Step 4: Simplify right side
    247,788,609.70x = 77,115,962,960,672,896
  5. Step 5: Solve for x
    x = 77,115,962,960,672,896/247,788,609.70
  6. Step 6: Final answer
    x = 311,216,738.55

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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.