Home / 586,521,474.72-809,400,165.60-322,220,589.22

Finding the Fourth Proportional to 586,521,474.72, 809,400,165.60 and 322,220,589.22

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Solution

The fourth proportional to 586,521,474.72, 809,400,165.60 and 322,220,589.22 is: 444,664,704.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,521,474.72 : 809,400,165.60 = 322,220,589.22 : x
  2. Step 2: Convert to fraction form
    586,521,474.72/809,400,165.60 = 322,220,589.22/x
  3. Step 3: Cross multiply
    586,521,474.72x = 809,400,165.60 × 322,220,589.22
  4. Step 4: Simplify right side
    586,521,474.72x = 260,805,398,274,397,600
  5. Step 5: Solve for x
    x = 260,805,398,274,397,600/586,521,474.72
  6. Step 6: Final answer
    x = 444,664,704.56

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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.