Home / 295,974,996.80-443,962,495.20-290,873,163.20

Finding the Fourth Proportional to 295,974,996.80, 443,962,495.20 and 290,873,163.20

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Solution

The fourth proportional to 295,974,996.80, 443,962,495.20 and 290,873,163.20 is: 436,309,744.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,974,996.80 : 443,962,495.20 = 290,873,163.20 : x
  2. Step 2: Convert to fraction form
    295,974,996.80/443,962,495.20 = 290,873,163.20/x
  3. Step 3: Cross multiply
    295,974,996.80x = 443,962,495.20 × 290,873,163.20
  4. Step 4: Simplify right side
    295,974,996.80x = 129,136,775,320,988,800
  5. Step 5: Solve for x
    x = 129,136,775,320,988,800/295,974,996.80
  6. Step 6: Final answer
    x = 436,309,744.80

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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.