Home / 299,323,383.72-410,066,180.60-288,132,380.34

Finding the Fourth Proportional to 299,323,383.72, 410,066,180.60 and 288,132,380.34

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Solution

The fourth proportional to 299,323,383.72, 410,066,180.60 and 288,132,380.34 is: 394,734,762.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,323,383.72 : 410,066,180.60 = 288,132,380.34 : x
  2. Step 2: Convert to fraction form
    299,323,383.72/410,066,180.60 = 288,132,380.34/x
  3. Step 3: Cross multiply
    299,323,383.72x = 410,066,180.60 × 288,132,380.34
  4. Step 4: Simplify right side
    299,323,383.72x = 118,153,344,711,769,664
  5. Step 5: Solve for x
    x = 118,153,344,711,769,664/299,323,383.72
  6. Step 6: Final answer
    x = 394,734,762.26

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.