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Finding the Fourth Proportional to 568,548,399.62, 852,822,599.67 and 205,042,755.62

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Solution

The fourth proportional to 568,548,399.62, 852,822,599.67 and 205,042,755.62 is: 307,564,133.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,548,399.62 : 852,822,599.67 = 205,042,755.62 : x
  2. Step 2: Convert to fraction form
    568,548,399.62/852,822,599.67 = 205,042,755.62/x
  3. Step 3: Cross multiply
    568,548,399.62x = 852,822,599.67 × 205,042,755.62
  4. Step 4: Simplify right side
    568,548,399.62x = 174,865,095,891,348,896
  5. Step 5: Solve for x
    x = 174,865,095,891,348,896/568,548,399.62
  6. Step 6: Final answer
    x = 307,564,133.52

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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.