Home / 724,333,622,860.55-999,551,297,345.95-394,729,661,926.44

Finding the Fourth Proportional to 724,333,622,860.55, 999,551,297,345.95 and 394,729,661,926.44

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Solution

The fourth proportional to 724,333,622,860.55, 999,551,297,345.95 and 394,729,661,926.44 is: 544,711,074,050.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,333,622,860.55 : 999,551,297,345.95 = 394,729,661,926.44 : x
  2. Step 2: Convert to fraction form
    724,333,622,860.55/999,551,297,345.95 = 394,729,661,926.44/x
  3. Step 3: Cross multiply
    724,333,622,860.55x = 999,551,297,345.95 × 394,729,661,926.44
  4. Step 4: Simplify right side
    724,333,622,860.55x = 394,552,545,679,501,332,316,160
  5. Step 5: Solve for x
    x = 394,552,545,679,501,332,316,160/724,333,622,860.55
  6. Step 6: Final answer
    x = 544,711,074,050.83

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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.