Home / 384,866,425.80-531,192,826.26-228,320,425.80

Finding the Fourth Proportional to 384,866,425.80, 531,192,826.26 and 228,320,425.80

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Solution

The fourth proportional to 384,866,425.80, 531,192,826.26 and 228,320,425.80 is: 315,127,961.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,866,425.80 : 531,192,826.26 = 228,320,425.80 : x
  2. Step 2: Convert to fraction form
    384,866,425.80/531,192,826.26 = 228,320,425.80/x
  3. Step 3: Cross multiply
    384,866,425.80x = 531,192,826.26 × 228,320,425.80
  4. Step 4: Simplify right side
    384,866,425.80x = 121,282,172,273,588,624
  5. Step 5: Solve for x
    x = 121,282,172,273,588,624/384,866,425.80
  6. Step 6: Final answer
    x = 315,127,961.66

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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.