Home / 455,179,192.67-628,147,279.81-246,335,335.31

Finding the Fourth Proportional to 455,179,192.67, 628,147,279.81 and 246,335,335.31

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Solution

The fourth proportional to 455,179,192.67, 628,147,279.81 and 246,335,335.31 is: 339,942,759.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,179,192.67 : 628,147,279.81 = 246,335,335.31 : x
  2. Step 2: Convert to fraction form
    455,179,192.67/628,147,279.81 = 246,335,335.31/x
  3. Step 3: Cross multiply
    455,179,192.67x = 628,147,279.81 × 246,335,335.31
  4. Step 4: Simplify right side
    455,179,192.67x = 154,734,870,799,305,792
  5. Step 5: Solve for x
    x = 154,734,870,799,305,792/455,179,192.67
  6. Step 6: Final answer
    x = 339,942,759.45

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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.