Home / 2,443,040,452.40-3,664,560,678.60-1,278,058,794.80

Finding the Fourth Proportional to 2,443,040,452.40, 3,664,560,678.60 and 1,278,058,794.80

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Solution

The fourth proportional to 2,443,040,452.40, 3,664,560,678.60 and 1,278,058,794.80 is: 1,917,088,192.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,443,040,452.40 : 3,664,560,678.60 = 1,278,058,794.80 : x
  2. Step 2: Convert to fraction form
    2,443,040,452.40/3,664,560,678.60 = 1,278,058,794.80/x
  3. Step 3: Cross multiply
    2,443,040,452.40x = 3,664,560,678.60 × 1,278,058,794.80
  4. Step 4: Simplify right side
    2,443,040,452.40x = 4,683,524,004,362,985,472
  5. Step 5: Solve for x
    x = 4,683,524,004,362,985,472/2,443,040,452.40
  6. Step 6: Final answer
    x = 1,917,088,192.20

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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.