Home / 654,279,691.46-902,904,735.77-356,921,855.06

Finding the Fourth Proportional to 654,279,691.46, 902,904,735.77 and 356,921,855.06

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Solution

The fourth proportional to 654,279,691.46, 902,904,735.77 and 356,921,855.06 is: 492,551,484.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,279,691.46 : 902,904,735.77 = 356,921,855.06 : x
  2. Step 2: Convert to fraction form
    654,279,691.46/902,904,735.77 = 356,921,855.06/x
  3. Step 3: Cross multiply
    654,279,691.46x = 902,904,735.77 × 356,921,855.06
  4. Step 4: Simplify right side
    654,279,691.46x = 322,266,433,236,637,120
  5. Step 5: Solve for x
    x = 322,266,433,236,637,120/654,279,691.46
  6. Step 6: Final answer
    x = 492,551,484.39

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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.