Home / 724,333,622,861.53-999,551,297,347.32-394,729,661,927.44

Finding the Fourth Proportional to 724,333,622,861.53, 999,551,297,347.32 and 394,729,661,927.44

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Solution

The fourth proportional to 724,333,622,861.53, 999,551,297,347.32 and 394,729,661,927.44 is: 544,711,074,052.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,333,622,861.53 : 999,551,297,347.32 = 394,729,661,927.44 : x
  2. Step 2: Convert to fraction form
    724,333,622,861.53/999,551,297,347.32 = 394,729,661,927.44/x
  3. Step 3: Cross multiply
    724,333,622,861.53x = 999,551,297,347.32 × 394,729,661,927.44
  4. Step 4: Simplify right side
    724,333,622,861.53x = 394,552,545,681,041,682,071,552
  5. Step 5: Solve for x
    x = 394,552,545,681,041,682,071,552/724,333,622,861.53
  6. Step 6: Final answer
    x = 544,711,074,052.22

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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.