Home / 554,058,715.20-764,600,621.25-303,164,754.48

Finding the Fourth Proportional to 554,058,715.20, 764,600,621.25 and 303,164,754.48

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Solution

The fourth proportional to 554,058,715.20, 764,600,621.25 and 303,164,754.48 is: 418,367,139.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,058,715.20 : 764,600,621.25 = 303,164,754.48 : x
  2. Step 2: Convert to fraction form
    554,058,715.20/764,600,621.25 = 303,164,754.48/x
  3. Step 3: Cross multiply
    554,058,715.20x = 764,600,621.25 × 303,164,754.48
  4. Step 4: Simplify right side
    554,058,715.20x = 231,799,959,616,511,744
  5. Step 5: Solve for x
    x = 231,799,959,616,511,744/554,058,715.20
  6. Step 6: Final answer
    x = 418,367,139.18

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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.