Home / 420,171,443.68-579,933,338.16-246,387,174.88

Finding the Fourth Proportional to 420,171,443.68, 579,933,338.16 and 246,387,174.88

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Solution

The fourth proportional to 420,171,443.68, 579,933,338.16 and 246,387,174.88 is: 340,071,032.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,171,443.68 : 579,933,338.16 = 246,387,174.88 : x
  2. Step 2: Convert to fraction form
    420,171,443.68/579,933,338.16 = 246,387,174.88/x
  3. Step 3: Cross multiply
    420,171,443.68x = 579,933,338.16 × 246,387,174.88
  4. Step 4: Simplify right side
    420,171,443.68x = 142,888,136,807,970,080
  5. Step 5: Solve for x
    x = 142,888,136,807,970,080/420,171,443.68
  6. Step 6: Final answer
    x = 340,071,032.81

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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.