Home / 303,669,321.20-455,503,981.80-222,450,556.40

Finding the Fourth Proportional to 303,669,321.20, 455,503,981.80 and 222,450,556.40

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Solution

The fourth proportional to 303,669,321.20, 455,503,981.80 and 222,450,556.40 is: 333,675,834.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,669,321.20 : 455,503,981.80 = 222,450,556.40 : x
  2. Step 2: Convert to fraction form
    303,669,321.20/455,503,981.80 = 222,450,556.40/x
  3. Step 3: Cross multiply
    303,669,321.20x = 455,503,981.80 × 222,450,556.40
  4. Step 4: Simplify right side
    303,669,321.20x = 101,327,114,193,825,472
  5. Step 5: Solve for x
    x = 101,327,114,193,825,472/303,669,321.20
  6. Step 6: Final answer
    x = 333,675,834.60

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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.