Home / 392,688,672.30-589,033,008.45-332,222,496.30

Finding the Fourth Proportional to 392,688,672.30, 589,033,008.45 and 332,222,496.30

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Solution

The fourth proportional to 392,688,672.30, 589,033,008.45 and 332,222,496.30 is: 498,333,744.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,688,672.30 : 589,033,008.45 = 332,222,496.30 : x
  2. Step 2: Convert to fraction form
    392,688,672.30/589,033,008.45 = 332,222,496.30/x
  3. Step 3: Cross multiply
    392,688,672.30x = 589,033,008.45 × 332,222,496.30
  4. Step 4: Simplify right side
    392,688,672.30x = 195,690,016,470,358,016
  5. Step 5: Solve for x
    x = 195,690,016,470,358,016/392,688,672.30
  6. Step 6: Final answer
    x = 498,333,744.45

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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.