Home / 458,071,243.40-687,106,865.10-274,405,233.80

Finding the Fourth Proportional to 458,071,243.40, 687,106,865.10 and 274,405,233.80

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Solution

The fourth proportional to 458,071,243.40, 687,106,865.10 and 274,405,233.80 is: 411,607,850.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,071,243.40 : 687,106,865.10 = 274,405,233.80 : x
  2. Step 2: Convert to fraction form
    458,071,243.40/687,106,865.10 = 274,405,233.80/x
  3. Step 3: Cross multiply
    458,071,243.40x = 687,106,865.10 × 274,405,233.80
  4. Step 4: Simplify right side
    458,071,243.40x = 188,545,719,963,350,560
  5. Step 5: Solve for x
    x = 188,545,719,963,350,560/458,071,243.40
  6. Step 6: Final answer
    x = 411,607,850.70

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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.