Home / 1,763,375,557.80-2,642,040,027.90-1,149,643,871.40

Finding the Fourth Proportional to 1,763,375,557.80, 2,642,040,027.90 and 1,149,643,871.40

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Solution

The fourth proportional to 1,763,375,557.80, 2,642,040,027.90 and 1,149,643,871.40 is: 1,722,494,741.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,763,375,557.80 : 2,642,040,027.90 = 1,149,643,871.40 : x
  2. Step 2: Convert to fraction form
    1,763,375,557.80/2,642,040,027.90 = 1,149,643,871.40/x
  3. Step 3: Cross multiply
    1,763,375,557.80x = 2,642,040,027.90 × 1,149,643,871.40
  4. Step 4: Simplify right side
    1,763,375,557.80x = 3,037,405,126,068,720,128
  5. Step 5: Solve for x
    x = 3,037,405,126,068,720,128/1,763,375,557.80
  6. Step 6: Final answer
    x = 1,722,494,741.77

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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.