Home / 539,339,635.42-809,032,998.92-170,901,739.62

Finding the Fourth Proportional to 539,339,635.42, 809,032,998.92 and 170,901,739.62

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Solution

The fourth proportional to 539,339,635.42, 809,032,998.92 and 170,901,739.62 is: 256,360,070.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,339,635.42 : 809,032,998.92 = 170,901,739.62 : x
  2. Step 2: Convert to fraction form
    539,339,635.42/809,032,998.92 = 170,901,739.62/x
  3. Step 3: Cross multiply
    539,339,635.42x = 809,032,998.92 × 170,901,739.62
  4. Step 4: Simplify right side
    539,339,635.42x = 138,265,146,924,559,072
  5. Step 5: Solve for x
    x = 138,265,146,924,559,072/539,339,635.42
  6. Step 6: Final answer
    x = 256,360,070.44

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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.