Home / 485,143,650.50-727,635,752.30-174,186,892.58

Finding the Fourth Proportional to 485,143,650.50, 727,635,752.30 and 174,186,892.58

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Solution

The fourth proportional to 485,143,650.50, 727,635,752.30 and 174,186,892.58 is: 261,251,714.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,143,650.50 : 727,635,752.30 = 174,186,892.58 : x
  2. Step 2: Convert to fraction form
    485,143,650.50/727,635,752.30 = 174,186,892.58/x
  3. Step 3: Cross multiply
    485,143,650.50x = 727,635,752.30 × 174,186,892.58
  4. Step 4: Simplify right side
    485,143,650.50x = 126,744,610,623,247,584
  5. Step 5: Solve for x
    x = 126,744,610,623,247,584/485,143,650.50
  6. Step 6: Final answer
    x = 261,251,714.81

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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.