Home / 401,469,535-554,037,508.20-225,270,565.48

Finding the Fourth Proportional to 401,469,535, 554,037,508.20 and 225,270,565.48

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Solution

The fourth proportional to 401,469,535, 554,037,508.20 and 225,270,565.48 is: 310,878,738.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,469,535 : 554,037,508.20 = 225,270,565.48 : x
  2. Step 2: Convert to fraction form
    401,469,535/554,037,508.20 = 225,270,565.48/x
  3. Step 3: Cross multiply
    401,469,535x = 554,037,508.20 × 225,270,565.48
  4. Step 4: Simplify right side
    401,469,535x = 124,808,342,769,344,144
  5. Step 5: Solve for x
    x = 124,808,342,769,344,144/401,469,535
  6. Step 6: Final answer
    x = 310,878,738.95

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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.