Home / 482,903,616.30-724,394,790.45-206,556,920.70

Finding the Fourth Proportional to 482,903,616.30, 724,394,790.45 and 206,556,920.70

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Solution

The fourth proportional to 482,903,616.30, 724,394,790.45 and 206,556,920.70 is: 309,852,219.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,903,616.30 : 724,394,790.45 = 206,556,920.70 : x
  2. Step 2: Convert to fraction form
    482,903,616.30/724,394,790.45 = 206,556,920.70/x
  3. Step 3: Cross multiply
    482,903,616.30x = 724,394,790.45 × 206,556,920.70
  4. Step 4: Simplify right side
    482,903,616.30x = 149,628,757,286,473,760
  5. Step 5: Solve for x
    x = 149,628,757,286,473,760/482,903,616.30
  6. Step 6: Final answer
    x = 309,852,219.44

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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.