Home / 320,789,856.24-442,690,329.24-174,112,170.48

Finding the Fourth Proportional to 320,789,856.24, 442,690,329.24 and 174,112,170.48

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Solution

The fourth proportional to 320,789,856.24, 442,690,329.24 and 174,112,170.48 is: 240,274,973.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,789,856.24 : 442,690,329.24 = 174,112,170.48 : x
  2. Step 2: Convert to fraction form
    320,789,856.24/442,690,329.24 = 174,112,170.48/x
  3. Step 3: Cross multiply
    320,789,856.24x = 442,690,329.24 × 174,112,170.48
  4. Step 4: Simplify right side
    320,789,856.24x = 77,077,774,074,482,208
  5. Step 5: Solve for x
    x = 77,077,774,074,482,208/320,789,856.24
  6. Step 6: Final answer
    x = 240,274,973.09

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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.