Home / 685,586,138.16-1,028,241,713.26-335,681,447.16

Finding the Fourth Proportional to 685,586,138.16, 1,028,241,713.26 and 335,681,447.16

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Solution

The fourth proportional to 685,586,138.16, 1,028,241,713.26 and 335,681,447.16 is: 503,454,849.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,586,138.16 : 1,028,241,713.26 = 335,681,447.16 : x
  2. Step 2: Convert to fraction form
    685,586,138.16/1,028,241,713.26 = 335,681,447.16/x
  3. Step 3: Cross multiply
    685,586,138.16x = 1,028,241,713.26 × 335,681,447.16
  4. Step 4: Simplify right side
    685,586,138.16x = 345,161,666,337,394,560
  5. Step 5: Solve for x
    x = 345,161,666,337,394,560/685,586,138.16
  6. Step 6: Final answer
    x = 503,454,849.98

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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.