Home / 485,143,651.50-727,635,753.80-174,186,893.58

Finding the Fourth Proportional to 485,143,651.50, 727,635,753.80 and 174,186,893.58

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Solution

The fourth proportional to 485,143,651.50, 727,635,753.80 and 174,186,893.58 is: 261,251,716.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,143,651.50 : 727,635,753.80 = 174,186,893.58 : x
  2. Step 2: Convert to fraction form
    485,143,651.50/727,635,753.80 = 174,186,893.58/x
  3. Step 3: Cross multiply
    485,143,651.50x = 727,635,753.80 × 174,186,893.58
  4. Step 4: Simplify right side
    485,143,651.50x = 126,744,611,612,163,680
  5. Step 5: Solve for x
    x = 126,744,611,612,163,680/485,143,651.50
  6. Step 6: Final answer
    x = 261,251,716.31

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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.