Home / 426,942,455.04-589,181,091.84-231,372,167.04

Finding the Fourth Proportional to 426,942,455.04, 589,181,091.84 and 231,372,167.04

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Solution

The fourth proportional to 426,942,455.04, 589,181,091.84 and 231,372,167.04 is: 319,293,863.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,942,455.04 : 589,181,091.84 = 231,372,167.04 : x
  2. Step 2: Convert to fraction form
    426,942,455.04/589,181,091.84 = 231,372,167.04/x
  3. Step 3: Cross multiply
    426,942,455.04x = 589,181,091.84 × 231,372,167.04
  4. Step 4: Simplify right side
    426,942,455.04x = 136,320,105,998,014,064
  5. Step 5: Solve for x
    x = 136,320,105,998,014,064/426,942,455.04
  6. Step 6: Final answer
    x = 319,293,863.58

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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.