Home / 326,626,855.20-489,940,282.80-296,393,767.20

Finding the Fourth Proportional to 326,626,855.20, 489,940,282.80 and 296,393,767.20

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Solution

The fourth proportional to 326,626,855.20, 489,940,282.80 and 296,393,767.20 is: 444,590,650.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,626,855.20 : 489,940,282.80 = 296,393,767.20 : x
  2. Step 2: Convert to fraction form
    326,626,855.20/489,940,282.80 = 296,393,767.20/x
  3. Step 3: Cross multiply
    326,626,855.20x = 489,940,282.80 × 296,393,767.20
  4. Step 4: Simplify right side
    326,626,855.20x = 145,215,246,122,125,376
  5. Step 5: Solve for x
    x = 145,215,246,122,125,376/326,626,855.20
  6. Step 6: Final answer
    x = 444,590,650.80

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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.