Home / 386,714,593.41-533,679,029.42-217,198,703.85

Finding the Fourth Proportional to 386,714,593.41, 533,679,029.42 and 217,198,703.85

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Solution

The fourth proportional to 386,714,593.41, 533,679,029.42 and 217,198,703.85 is: 299,741,451.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,714,593.41 : 533,679,029.42 = 217,198,703.85 : x
  2. Step 2: Convert to fraction form
    386,714,593.41/533,679,029.42 = 217,198,703.85/x
  3. Step 3: Cross multiply
    386,714,593.41x = 533,679,029.42 × 217,198,703.85
  4. Step 4: Simplify right side
    386,714,593.41x = 115,914,393,460,864,032
  5. Step 5: Solve for x
    x = 115,914,393,460,864,032/386,714,593.41
  6. Step 6: Final answer
    x = 299,741,451.28

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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.