Home / 463,025,005.20-638,951,041.80-274,861,342.08

Finding the Fourth Proportional to 463,025,005.20, 638,951,041.80 and 274,861,342.08

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Solution

The fourth proportional to 463,025,005.20, 638,951,041.80 and 274,861,342.08 is: 379,294,722.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,025,005.20 : 638,951,041.80 = 274,861,342.08 : x
  2. Step 2: Convert to fraction form
    463,025,005.20/638,951,041.80 = 274,861,342.08/x
  3. Step 3: Cross multiply
    463,025,005.20x = 638,951,041.80 × 274,861,342.08
  4. Step 4: Simplify right side
    463,025,005.20x = 175,622,940,872,562,144
  5. Step 5: Solve for x
    x = 175,622,940,872,562,144/463,025,005.20
  6. Step 6: Final answer
    x = 379,294,722.53

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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.