Home / 2,558,304,000.40-3,837,456,000.60-2,145,055,478.80

Finding the Fourth Proportional to 2,558,304,000.40, 3,837,456,000.60 and 2,145,055,478.80

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Solution

The fourth proportional to 2,558,304,000.40, 3,837,456,000.60 and 2,145,055,478.80 is: 3,217,583,218.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,558,304,000.40 : 3,837,456,000.60 = 2,145,055,478.80 : x
  2. Step 2: Convert to fraction form
    2,558,304,000.40/3,837,456,000.60 = 2,145,055,478.80/x
  3. Step 3: Cross multiply
    2,558,304,000.40x = 3,837,456,000.60 × 2,145,055,478.80
  4. Step 4: Simplify right side
    2,558,304,000.40x = 8,231,556,018,740,965,376
  5. Step 5: Solve for x
    x = 8,231,556,018,740,965,376/2,558,304,000.40
  6. Step 6: Final answer
    x = 3,217,583,218.20

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Double scale
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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.