Home / 320,536,215.38-442,335,636.56-179,407,393.85

Finding the Fourth Proportional to 320,536,215.38, 442,335,636.56 and 179,407,393.85

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Solution

The fourth proportional to 320,536,215.38, 442,335,636.56 and 179,407,393.85 is: 247,579,774.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,536,215.38 : 442,335,636.56 = 179,407,393.85 : x
  2. Step 2: Convert to fraction form
    320,536,215.38/442,335,636.56 = 179,407,393.85/x
  3. Step 3: Cross multiply
    320,536,215.38x = 442,335,636.56 × 179,407,393.85
  4. Step 4: Simplify right side
    320,536,215.38x = 79,358,283,760,447,216
  5. Step 5: Solve for x
    x = 79,358,283,760,447,216/320,536,215.38
  6. Step 6: Final answer
    x = 247,579,774.00

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1.5x scale

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.