Home / 399,180,154.80-598,770,232.20-194,839,316.40

Finding the Fourth Proportional to 399,180,154.80, 598,770,232.20 and 194,839,316.40

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Solution

The fourth proportional to 399,180,154.80, 598,770,232.20 and 194,839,316.40 is: 292,258,974.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,180,154.80 : 598,770,232.20 = 194,839,316.40 : x
  2. Step 2: Convert to fraction form
    399,180,154.80/598,770,232.20 = 194,839,316.40/x
  3. Step 3: Cross multiply
    399,180,154.80x = 598,770,232.20 × 194,839,316.40
  4. Step 4: Simplify right side
    399,180,154.80x = 116,663,982,722,517,280
  5. Step 5: Solve for x
    x = 116,663,982,722,517,280/399,180,154.80
  6. Step 6: Final answer
    x = 292,258,974.60

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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.