Home / 377,238,171.27-520,588,701.38-209,970,842.85

Finding the Fourth Proportional to 377,238,171.27, 520,588,701.38 and 209,970,842.85

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Solution

The fourth proportional to 377,238,171.27, 520,588,701.38 and 209,970,842.85 is: 289,759,777.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,238,171.27 : 520,588,701.38 = 209,970,842.85 : x
  2. Step 2: Convert to fraction form
    377,238,171.27/520,588,701.38 = 209,970,842.85/x
  3. Step 3: Cross multiply
    377,238,171.27x = 520,588,701.38 × 209,970,842.85
  4. Step 4: Simplify right side
    377,238,171.27x = 109,308,448,405,895,696
  5. Step 5: Solve for x
    x = 109,308,448,405,895,696/377,238,171.27
  6. Step 6: Final answer
    x = 289,759,777.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.