Home / 392,794,689.96-589,153,777.68-159,639,381.36

Finding the Fourth Proportional to 392,794,689.96, 589,153,777.68 and 159,639,381.36

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Solution

The fourth proportional to 392,794,689.96, 589,153,777.68 and 159,639,381.36 is: 239,443,523.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,794,689.96 : 589,153,777.68 = 159,639,381.36 : x
  2. Step 2: Convert to fraction form
    392,794,689.96/589,153,777.68 = 159,639,381.36/x
  3. Step 3: Cross multiply
    392,794,689.96x = 589,153,777.68 × 159,639,381.36
  4. Step 4: Simplify right side
    392,794,689.96x = 94,052,144,594,742,176
  5. Step 5: Solve for x
    x = 94,052,144,594,742,176/392,794,689.96
  6. Step 6: Final answer
    x = 239,443,523.55

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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.