Home / 345,786,200.88-477,188,743.20-189,153,309.36

Finding the Fourth Proportional to 345,786,200.88, 477,188,743.20 and 189,153,309.36

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Solution

The fourth proportional to 345,786,200.88, 477,188,743.20 and 189,153,309.36 is: 261,033,637.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,786,200.88 : 477,188,743.20 = 189,153,309.36 : x
  2. Step 2: Convert to fraction form
    345,786,200.88/477,188,743.20 = 189,153,309.36/x
  3. Step 3: Cross multiply
    345,786,200.88x = 477,188,743.20 × 189,153,309.36
  4. Step 4: Simplify right side
    345,786,200.88x = 90,261,829,965,619,200
  5. Step 5: Solve for x
    x = 90,261,829,965,619,200/345,786,200.88
  6. Step 6: Final answer
    x = 261,033,637.94

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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.