Home / 392,237,137.23-541,276,193.60-213,616,993.85

Finding the Fourth Proportional to 392,237,137.23, 541,276,193.60 and 213,616,993.85

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Solution

The fourth proportional to 392,237,137.23, 541,276,193.60 and 213,616,993.85 is: 294,785,430.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,237,137.23 : 541,276,193.60 = 213,616,993.85 : x
  2. Step 2: Convert to fraction form
    392,237,137.23/541,276,193.60 = 213,616,993.85/x
  3. Step 3: Cross multiply
    392,237,137.23x = 541,276,193.60 × 213,616,993.85
  4. Step 4: Simplify right side
    392,237,137.23x = 115,625,793,315,628,144
  5. Step 5: Solve for x
    x = 115,625,793,315,628,144/392,237,137.23
  6. Step 6: Final answer
    x = 294,785,430.40

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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.