Home / 494,869,640.10-742,304,460.15-171,753,512.10

Finding the Fourth Proportional to 494,869,640.10, 742,304,460.15 and 171,753,512.10

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Solution

The fourth proportional to 494,869,640.10, 742,304,460.15 and 171,753,512.10 is: 257,630,268.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,869,640.10 : 742,304,460.15 = 171,753,512.10 : x
  2. Step 2: Convert to fraction form
    494,869,640.10/742,304,460.15 = 171,753,512.10/x
  3. Step 3: Cross multiply
    494,869,640.10x = 742,304,460.15 × 171,753,512.10
  4. Step 4: Simplify right side
    494,869,640.10x = 127,493,398,078,256,992
  5. Step 5: Solve for x
    x = 127,493,398,078,256,992/494,869,640.10
  6. Step 6: Final answer
    x = 257,630,268.15

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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.