Home / 1,175,951,801.12-1,763,927,701.07-439,079,251.55

Finding the Fourth Proportional to 1,175,951,801.12, 1,763,927,701.07 and 439,079,251.55

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Solution

The fourth proportional to 1,175,951,801.12, 1,763,927,701.07 and 439,079,251.55 is: 658,618,877.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175,951,801.12 : 1,763,927,701.07 = 439,079,251.55 : x
  2. Step 2: Convert to fraction form
    1,175,951,801.12/1,763,927,701.07 = 439,079,251.55/x
  3. Step 3: Cross multiply
    1,175,951,801.12x = 1,763,927,701.07 × 439,079,251.55
  4. Step 4: Simplify right side
    1,175,951,801.12x = 774,504,054,763,112,704
  5. Step 5: Solve for x
    x = 774,504,054,763,112,704/1,175,951,801.12
  6. Step 6: Final answer
    x = 658,618,877.09

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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.