Home / 485,553,254.90-669,910,517.60-297,185,175.86

Finding the Fourth Proportional to 485,553,254.90, 669,910,517.60 and 297,185,175.86

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Solution

The fourth proportional to 485,553,254.90, 669,910,517.60 and 297,185,175.86 is: 410,021,914.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,553,254.90 : 669,910,517.60 = 297,185,175.86 : x
  2. Step 2: Convert to fraction form
    485,553,254.90/669,910,517.60 = 297,185,175.86/x
  3. Step 3: Cross multiply
    485,553,254.90x = 669,910,517.60 × 297,185,175.86
  4. Step 4: Simplify right side
    485,553,254.90x = 199,087,474,983,608,480
  5. Step 5: Solve for x
    x = 199,087,474,983,608,480/485,553,254.90
  6. Step 6: Final answer
    x = 410,021,914.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.