Home / 320,604,748.56-442,387,352.16-179,468,633.52

Finding the Fourth Proportional to 320,604,748.56, 442,387,352.16 and 179,468,633.52

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Solution

The fourth proportional to 320,604,748.56, 442,387,352.16 and 179,468,633.52 is: 247,640,292.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,604,748.56 : 442,387,352.16 = 179,468,633.52 : x
  2. Step 2: Convert to fraction form
    320,604,748.56/442,387,352.16 = 179,468,633.52/x
  3. Step 3: Cross multiply
    320,604,748.56x = 442,387,352.16 × 179,468,633.52
  4. Step 4: Simplify right side
    320,604,748.56x = 79,394,653,578,686,224
  5. Step 5: Solve for x
    x = 79,394,653,578,686,224/320,604,748.56
  6. Step 6: Final answer
    x = 247,640,292.09

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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.