Home / 728,097,549.80-1,092,146,324.70-210,544,874.60

Finding the Fourth Proportional to 728,097,549.80, 1,092,146,324.70 and 210,544,874.60

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Solution

The fourth proportional to 728,097,549.80, 1,092,146,324.70 and 210,544,874.60 is: 315,817,311.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,097,549.80 : 1,092,146,324.70 = 210,544,874.60 : x
  2. Step 2: Convert to fraction form
    728,097,549.80/1,092,146,324.70 = 210,544,874.60/x
  3. Step 3: Cross multiply
    728,097,549.80x = 1,092,146,324.70 × 210,544,874.60
  4. Step 4: Simplify right side
    728,097,549.80x = 229,945,810,978,812,384
  5. Step 5: Solve for x
    x = 229,945,810,978,812,384/728,097,549.80
  6. Step 6: Final answer
    x = 315,817,311.90

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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.