Home / 482,903,617.80-724,394,792.70-206,556,922.20

Finding the Fourth Proportional to 482,903,617.80, 724,394,792.70 and 206,556,922.20

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Solution

The fourth proportional to 482,903,617.80, 724,394,792.70 and 206,556,922.20 is: 309,852,221.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,903,617.80 : 724,394,792.70 = 206,556,922.20 : x
  2. Step 2: Convert to fraction form
    482,903,617.80/724,394,792.70 = 206,556,922.20/x
  3. Step 3: Cross multiply
    482,903,617.80x = 724,394,792.70 × 206,556,922.20
  4. Step 4: Simplify right side
    482,903,617.80x = 149,628,758,837,819,040
  5. Step 5: Solve for x
    x = 149,628,758,837,819,040/482,903,617.80
  6. Step 6: Final answer
    x = 309,852,221.69

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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.