Home / 717,474,244.90-1,076,211,379.88-172,215,778.90

Finding the Fourth Proportional to 717,474,244.90, 1,076,211,379.88 and 172,215,778.90

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Solution

The fourth proportional to 717,474,244.90, 1,076,211,379.88 and 172,215,778.90 is: 258,323,671.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,474,244.90 : 1,076,211,379.88 = 172,215,778.90 : x
  2. Step 2: Convert to fraction form
    717,474,244.90/1,076,211,379.88 = 172,215,778.90/x
  3. Step 3: Cross multiply
    717,474,244.90x = 1,076,211,379.88 × 172,215,778.90
  4. Step 4: Simplify right side
    717,474,244.90x = 185,340,581,040,835,872
  5. Step 5: Solve for x
    x = 185,340,581,040,835,872/717,474,244.90
  6. Step 6: Final answer
    x = 258,323,671.35

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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.