Home / 535,933,791.20-803,900,686.80-263,835,999.20

Finding the Fourth Proportional to 535,933,791.20, 803,900,686.80 and 263,835,999.20

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Solution

The fourth proportional to 535,933,791.20, 803,900,686.80 and 263,835,999.20 is: 395,753,998.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,933,791.20 : 803,900,686.80 = 263,835,999.20 : x
  2. Step 2: Convert to fraction form
    535,933,791.20/803,900,686.80 = 263,835,999.20/x
  3. Step 3: Cross multiply
    535,933,791.20x = 803,900,686.80 × 263,835,999.20
  4. Step 4: Simplify right side
    535,933,791.20x = 212,097,940,959,444,224
  5. Step 5: Solve for x
    x = 212,097,940,959,444,224/535,933,791.20
  6. Step 6: Final answer
    x = 395,753,998.80

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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.