Home / 3,360,096,010.40-5,040,144,015.60-2,199,145,431.20

Finding the Fourth Proportional to 3,360,096,010.40, 5,040,144,015.60 and 2,199,145,431.20

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Solution

The fourth proportional to 3,360,096,010.40, 5,040,144,015.60 and 2,199,145,431.20 is: 3,298,718,146.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,360,096,010.40 : 5,040,144,015.60 = 2,199,145,431.20 : x
  2. Step 2: Convert to fraction form
    3,360,096,010.40/5,040,144,015.60 = 2,199,145,431.20/x
  3. Step 3: Cross multiply
    3,360,096,010.40x = 5,040,144,015.60 × 2,199,145,431.20
  4. Step 4: Simplify right side
    3,360,096,010.40x = 11,084,009,684,496,760,832
  5. Step 5: Solve for x
    x = 11,084,009,684,496,760,832/3,360,096,010.40
  6. Step 6: Final answer
    x = 3,298,718,146.80

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Double scale
Find fourth proportional to 3,360,096,011.40, 5,040,144,017.10 and 2,199,145,432.20
Similar ratio
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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.