Home / 247,788,603.20-371,682,904.80-207,477,819.20

Finding the Fourth Proportional to 247,788,603.20, 371,682,904.80 and 207,477,819.20

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Solution

The fourth proportional to 247,788,603.20, 371,682,904.80 and 207,477,819.20 is: 311,216,728.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,788,603.20 : 371,682,904.80 = 207,477,819.20 : x
  2. Step 2: Convert to fraction form
    247,788,603.20/371,682,904.80 = 207,477,819.20/x
  3. Step 3: Cross multiply
    247,788,603.20x = 371,682,904.80 × 207,477,819.20
  4. Step 4: Simplify right side
    247,788,603.20x = 77,115,958,521,825,216
  5. Step 5: Solve for x
    x = 77,115,958,521,825,216/247,788,603.20
  6. Step 6: Final answer
    x = 311,216,728.80

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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.