Home / 791,493,873.52-1,187,248,456.68-300,074,986.48

Finding the Fourth Proportional to 791,493,873.52, 1,187,248,456.68 and 300,074,986.48

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Solution

The fourth proportional to 791,493,873.52, 1,187,248,456.68 and 300,074,986.48 is: 450,115,378.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,493,873.52 : 1,187,248,456.68 = 300,074,986.48 : x
  2. Step 2: Convert to fraction form
    791,493,873.52/1,187,248,456.68 = 300,074,986.48/x
  3. Step 3: Cross multiply
    791,493,873.52x = 1,187,248,456.68 × 300,074,986.48
  4. Step 4: Simplify right side
    791,493,873.52x = 356,263,564,586,651,904
  5. Step 5: Solve for x
    x = 356,263,564,586,651,904/791,493,873.52
  6. Step 6: Final answer
    x = 450,115,378.66

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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.