Home / 472,392,416.80-708,588,625.20-386,298,974.80

Finding the Fourth Proportional to 472,392,416.80, 708,588,625.20 and 386,298,974.80

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Solution

The fourth proportional to 472,392,416.80, 708,588,625.20 and 386,298,974.80 is: 579,448,462.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,392,416.80 : 708,588,625.20 = 386,298,974.80 : x
  2. Step 2: Convert to fraction form
    472,392,416.80/708,588,625.20 = 386,298,974.80/x
  3. Step 3: Cross multiply
    472,392,416.80x = 708,588,625.20 × 386,298,974.80
  4. Step 4: Simplify right side
    472,392,416.80x = 273,727,059,469,701,472
  5. Step 5: Solve for x
    x = 273,727,059,469,701,472/472,392,416.80
  6. Step 6: Final answer
    x = 579,448,462.20

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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.