Home / 457,121,003.04-685,863,197.88-146,276,513.04

Finding the Fourth Proportional to 457,121,003.04, 685,863,197.88 and 146,276,513.04

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Solution

The fourth proportional to 457,121,003.04, 685,863,197.88 and 146,276,513.04 is: 219,472,910.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,121,003.04 : 685,863,197.88 = 146,276,513.04 : x
  2. Step 2: Convert to fraction form
    457,121,003.04/685,863,197.88 = 146,276,513.04/x
  3. Step 3: Cross multiply
    457,121,003.04x = 685,863,197.88 × 146,276,513.04
  4. Step 4: Simplify right side
    457,121,003.04x = 100,325,677,008,349,920
  5. Step 5: Solve for x
    x = 100,325,677,008,349,920/457,121,003.04
  6. Step 6: Final answer
    x = 219,472,910.54

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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.