Home / 654,279,707.56-902,904,757.84-356,921,871.16

Finding the Fourth Proportional to 654,279,707.56, 902,904,757.84 and 356,921,871.16

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Solution

The fourth proportional to 654,279,707.56, 902,904,757.84 and 356,921,871.16 is: 492,551,506.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,279,707.56 : 902,904,757.84 = 356,921,871.16 : x
  2. Step 2: Convert to fraction form
    654,279,707.56/902,904,757.84 = 356,921,871.16/x
  3. Step 3: Cross multiply
    654,279,707.56x = 902,904,757.84 × 356,921,871.16
  4. Step 4: Simplify right side
    654,279,707.56x = 322,266,455,647,519,488
  5. Step 5: Solve for x
    x = 322,266,455,647,519,488/654,279,707.56
  6. Step 6: Final answer
    x = 492,551,506.53

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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.