Home / 3,891,716,549.96-5,370,542,096.75-2,107,529,173.87

Finding the Fourth Proportional to 3,891,716,549.96, 5,370,542,096.75 and 2,107,529,173.87

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Solution

The fourth proportional to 3,891,716,549.96, 5,370,542,096.75 and 2,107,529,173.87 is: 2,908,375,777.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,891,716,549.96 : 5,370,542,096.75 = 2,107,529,173.87 : x
  2. Step 2: Convert to fraction form
    3,891,716,549.96/5,370,542,096.75 = 2,107,529,173.87/x
  3. Step 3: Cross multiply
    3,891,716,549.96x = 5,370,542,096.75 × 2,107,529,173.87
  4. Step 4: Simplify right side
    3,891,716,549.96x = 11,318,574,148,397,584,384
  5. Step 5: Solve for x
    x = 11,318,574,148,397,584,384/3,891,716,549.96
  6. Step 6: Final answer
    x = 2,908,375,777.91

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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.