Home / 867,588,757.86-1,301,380,298.26-314,890,449.56

Finding the Fourth Proportional to 867,588,757.86, 1,301,380,298.26 and 314,890,449.56

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Solution

The fourth proportional to 867,588,757.86, 1,301,380,298.26 and 314,890,449.56 is: 472,334,644.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,588,757.86 : 1,301,380,298.26 = 314,890,449.56 : x
  2. Step 2: Convert to fraction form
    867,588,757.86/1,301,380,298.26 = 314,890,449.56/x
  3. Step 3: Cross multiply
    867,588,757.86x = 1,301,380,298.26 × 314,890,449.56
  4. Step 4: Simplify right side
    867,588,757.86x = 409,792,227,165,204,288
  5. Step 5: Solve for x
    x = 409,792,227,165,204,288/867,588,757.86
  6. Step 6: Final answer
    x = 472,334,644.09

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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.