Home / 647,036,203.20-970,554,304.80-284,239,147.20

Finding the Fourth Proportional to 647,036,203.20, 970,554,304.80 and 284,239,147.20

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Solution

The fourth proportional to 647,036,203.20, 970,554,304.80 and 284,239,147.20 is: 426,358,720.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,036,203.20 : 970,554,304.80 = 284,239,147.20 : x
  2. Step 2: Convert to fraction form
    647,036,203.20/970,554,304.80 = 284,239,147.20/x
  3. Step 3: Cross multiply
    647,036,203.20x = 970,554,304.80 × 284,239,147.20
  4. Step 4: Simplify right side
    647,036,203.20x = 275,869,527,907,640,832
  5. Step 5: Solve for x
    x = 275,869,527,907,640,832/647,036,203.20
  6. Step 6: Final answer
    x = 426,358,720.80

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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.