Home / 384,912,206.80-577,368,310.20-231,857,198.80

Finding the Fourth Proportional to 384,912,206.80, 577,368,310.20 and 231,857,198.80

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Solution

The fourth proportional to 384,912,206.80, 577,368,310.20 and 231,857,198.80 is: 347,785,798.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,912,206.80 : 577,368,310.20 = 231,857,198.80 : x
  2. Step 2: Convert to fraction form
    384,912,206.80/577,368,310.20 = 231,857,198.80/x
  3. Step 3: Cross multiply
    384,912,206.80x = 577,368,310.20 × 231,857,198.80
  4. Step 4: Simplify right side
    384,912,206.80x = 133,866,999,078,861,488
  5. Step 5: Solve for x
    x = 133,866,999,078,861,488/384,912,206.80
  6. Step 6: Final answer
    x = 347,785,798.20

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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.