Home / 320,536,238.56-442,335,668.34-179,407,417

Finding the Fourth Proportional to 320,536,238.56, 442,335,668.34 and 179,407,417

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Solution

The fourth proportional to 320,536,238.56, 442,335,668.34 and 179,407,417 is: 247,579,805.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,536,238.56 : 442,335,668.34 = 179,407,417 : x
  2. Step 2: Convert to fraction form
    320,536,238.56/442,335,668.34 = 179,407,417/x
  3. Step 3: Cross multiply
    320,536,238.56x = 442,335,668.34 × 179,407,417
  4. Step 4: Simplify right side
    320,536,238.56x = 79,358,299,703,848,080
  5. Step 5: Solve for x
    x = 79,358,299,703,848,080/320,536,238.56
  6. Step 6: Final answer
    x = 247,579,805.83

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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.