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Finding the Fourth Proportional to 495,699,615.27, 743,391,672.57 and 163,644,798.62

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Solution

The fourth proportional to 495,699,615.27, 743,391,672.57 and 163,644,798.62 is: 245,415,119.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,699,615.27 : 743,391,672.57 = 163,644,798.62 : x
  2. Step 2: Convert to fraction form
    495,699,615.27/743,391,672.57 = 163,644,798.62/x
  3. Step 3: Cross multiply
    495,699,615.27x = 743,391,672.57 × 163,644,798.62
  4. Step 4: Simplify right side
    495,699,615.27x = 121,652,180,555,361,120
  5. Step 5: Solve for x
    x = 121,652,180,555,361,120/495,699,615.27
  6. Step 6: Final answer
    x = 245,415,119.98

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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.