Home / 331,934,236.16-458,275,972.77-211,300,289.87

Finding the Fourth Proportional to 331,934,236.16, 458,275,972.77 and 211,300,289.87

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Solution

The fourth proportional to 331,934,236.16, 458,275,972.77 and 211,300,289.87 is: 291,725,996.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,934,236.16 : 458,275,972.77 = 211,300,289.87 : x
  2. Step 2: Convert to fraction form
    331,934,236.16/458,275,972.77 = 211,300,289.87/x
  3. Step 3: Cross multiply
    331,934,236.16x = 458,275,972.77 × 211,300,289.87
  4. Step 4: Simplify right side
    331,934,236.16x = 96,833,845,884,465,840
  5. Step 5: Solve for x
    x = 96,833,845,884,465,840/331,934,236.16
  6. Step 6: Final answer
    x = 291,725,996.71

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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.