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Finding the Fourth Proportional to 302,789,978.82, 454,178,450.97 and 84,434,508.27

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Solution

The fourth proportional to 302,789,978.82, 454,178,450.97 and 84,434,508.27 is: 126,649,945.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,789,978.82 : 454,178,450.97 = 84,434,508.27 : x
  2. Step 2: Convert to fraction form
    302,789,978.82/454,178,450.97 = 84,434,508.27/x
  3. Step 3: Cross multiply
    302,789,978.82x = 454,178,450.97 × 84,434,508.27
  4. Step 4: Simplify right side
    302,789,978.82x = 38,348,334,174,482,256
  5. Step 5: Solve for x
    x = 38,348,334,174,482,256/302,789,978.82
  6. Step 6: Final answer
    x = 126,649,945.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.