Home / 305,715,299.20-458,572,948.80-203,678,627.20

Finding the Fourth Proportional to 305,715,299.20, 458,572,948.80 and 203,678,627.20

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Solution

The fourth proportional to 305,715,299.20, 458,572,948.80 and 203,678,627.20 is: 305,517,940.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,715,299.20 : 458,572,948.80 = 203,678,627.20 : x
  2. Step 2: Convert to fraction form
    305,715,299.20/458,572,948.80 = 203,678,627.20/x
  3. Step 3: Cross multiply
    305,715,299.20x = 458,572,948.80 × 203,678,627.20
  4. Step 4: Simplify right side
    305,715,299.20x = 93,401,508,682,639,888
  5. Step 5: Solve for x
    x = 93,401,508,682,639,888/305,715,299.20
  6. Step 6: Final answer
    x = 305,517,940.80

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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.