Home / 409,187,456.39-614,169,224.30-253,269,627.12

Finding the Fourth Proportional to 409,187,456.39, 614,169,224.30 and 253,269,627.12

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Solution

The fourth proportional to 409,187,456.39, 614,169,224.30 and 253,269,627.12 is: 380,144,620.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,187,456.39 : 614,169,224.30 = 253,269,627.12 : x
  2. Step 2: Convert to fraction form
    409,187,456.39/614,169,224.30 = 253,269,627.12/x
  3. Step 3: Cross multiply
    409,187,456.39x = 614,169,224.30 × 253,269,627.12
  4. Step 4: Simplify right side
    409,187,456.39x = 155,550,410,427,678,880
  5. Step 5: Solve for x
    x = 155,550,410,427,678,880/409,187,456.39
  6. Step 6: Final answer
    x = 380,144,620.75

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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.