Home / 426,942,457.29-589,181,095.13-231,372,169.29

Finding the Fourth Proportional to 426,942,457.29, 589,181,095.13 and 231,372,169.29

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Solution

The fourth proportional to 426,942,457.29, 589,181,095.13 and 231,372,169.29 is: 319,293,866.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,942,457.29 : 589,181,095.13 = 231,372,169.29 : x
  2. Step 2: Convert to fraction form
    426,942,457.29/589,181,095.13 = 231,372,169.29/x
  3. Step 3: Cross multiply
    426,942,457.29x = 589,181,095.13 × 231,372,169.29
  4. Step 4: Simplify right side
    426,942,457.29x = 136,320,108,083,729,088
  5. Step 5: Solve for x
    x = 136,320,108,083,729,088/426,942,457.29
  6. Step 6: Final answer
    x = 319,293,866.79

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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.