Home / 393,246,505.86-589,803,992.91-144,200,299.56

Finding the Fourth Proportional to 393,246,505.86, 589,803,992.91 and 144,200,299.56

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Solution

The fourth proportional to 393,246,505.86, 589,803,992.91 and 144,200,299.56 is: 216,276,333.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,246,505.86 : 589,803,992.91 = 144,200,299.56 : x
  2. Step 2: Convert to fraction form
    393,246,505.86/589,803,992.91 = 144,200,299.56/x
  3. Step 3: Cross multiply
    393,246,505.86x = 589,803,992.91 × 144,200,299.56
  4. Step 4: Simplify right side
    393,246,505.86x = 85,049,912,459,306,112
  5. Step 5: Solve for x
    x = 85,049,912,459,306,112/393,246,505.86
  6. Step 6: Final answer
    x = 216,276,333.53

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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.