Home / 221,448,799.20-332,173,198.80-210,363,333.60

Finding the Fourth Proportional to 221,448,799.20, 332,173,198.80 and 210,363,333.60

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Solution

The fourth proportional to 221,448,799.20, 332,173,198.80 and 210,363,333.60 is: 315,545,000.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,448,799.20 : 332,173,198.80 = 210,363,333.60 : x
  2. Step 2: Convert to fraction form
    221,448,799.20/332,173,198.80 = 210,363,333.60/x
  3. Step 3: Cross multiply
    221,448,799.20x = 332,173,198.80 × 210,363,333.60
  4. Step 4: Simplify right side
    221,448,799.20x = 69,877,061,432,143,520
  5. Step 5: Solve for x
    x = 69,877,061,432,143,520/221,448,799.20
  6. Step 6: Final answer
    x = 315,545,000.40

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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.