Home / 394,923,328.75-544,731,776.11-253,972,751.70

Finding the Fourth Proportional to 394,923,328.75, 544,731,776.11 and 253,972,751.70

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Solution

The fourth proportional to 394,923,328.75, 544,731,776.11 and 253,972,751.70 is: 350,313,638.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,923,328.75 : 544,731,776.11 = 253,972,751.70 : x
  2. Step 2: Convert to fraction form
    394,923,328.75/544,731,776.11 = 253,972,751.70/x
  3. Step 3: Cross multiply
    394,923,328.75x = 544,731,776.11 × 253,972,751.70
  4. Step 4: Simplify right side
    394,923,328.75x = 138,347,028,117,085,024
  5. Step 5: Solve for x
    x = 138,347,028,117,085,024/394,923,328.75
  6. Step 6: Final answer
    x = 350,313,638.23

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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.