Home / 1,213,455,228.80-1,820,182,843.20-1,179,443,004.80

Finding the Fourth Proportional to 1,213,455,228.80, 1,820,182,843.20 and 1,179,443,004.80

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Solution

The fourth proportional to 1,213,455,228.80, 1,820,182,843.20 and 1,179,443,004.80 is: 1,769,164,507.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,455,228.80 : 1,820,182,843.20 = 1,179,443,004.80 : x
  2. Step 2: Convert to fraction form
    1,213,455,228.80/1,820,182,843.20 = 1,179,443,004.80/x
  3. Step 3: Cross multiply
    1,213,455,228.80x = 1,820,182,843.20 × 1,179,443,004.80
  4. Step 4: Simplify right side
    1,213,455,228.80x = 2,146,801,921,869,215,232
  5. Step 5: Solve for x
    x = 2,146,801,921,869,215,232/1,213,455,228.80
  6. Step 6: Final answer
    x = 1,769,164,507.20

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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.