Home / 394,066,038.56-543,720,913.92-235,265,255.52

Finding the Fourth Proportional to 394,066,038.56, 543,720,913.92 and 235,265,255.52

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Solution

The fourth proportional to 394,066,038.56, 543,720,913.92 and 235,265,255.52 is: 324,612,189.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,066,038.56 : 543,720,913.92 = 235,265,255.52 : x
  2. Step 2: Convert to fraction form
    394,066,038.56/543,720,913.92 = 235,265,255.52/x
  3. Step 3: Cross multiply
    394,066,038.56x = 543,720,913.92 × 235,265,255.52
  4. Step 4: Simplify right side
    394,066,038.56x = 127,918,639,744,956,720
  5. Step 5: Solve for x
    x = 127,918,639,744,956,720/394,066,038.56
  6. Step 6: Final answer
    x = 324,612,189.91

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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.