Home / 5,147,283,543.36-7,102,682,936.64-2,888,705,047.20

Finding the Fourth Proportional to 5,147,283,543.36, 7,102,682,936.64 and 2,888,705,047.20

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Solution

The fourth proportional to 5,147,283,543.36, 7,102,682,936.64 and 2,888,705,047.20 is: 3,986,093,999.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,147,283,543.36 : 7,102,682,936.64 = 2,888,705,047.20 : x
  2. Step 2: Convert to fraction form
    5,147,283,543.36/7,102,682,936.64 = 2,888,705,047.20/x
  3. Step 3: Cross multiply
    5,147,283,543.36x = 7,102,682,936.64 × 2,888,705,047.20
  4. Step 4: Simplify right side
    5,147,283,543.36x = 20,517,556,047,733,284,864
  5. Step 5: Solve for x
    x = 20,517,556,047,733,284,864/5,147,283,543.36
  6. Step 6: Final answer
    x = 3,986,093,999.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.