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Finding the Fourth Proportional to 322,883,438, 445,579,027.26 and 176,205,722

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Solution

The fourth proportional to 322,883,438, 445,579,027.26 and 176,205,722 is: 243,163,832.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,883,438 : 445,579,027.26 = 176,205,722 : x
  2. Step 2: Convert to fraction form
    322,883,438/445,579,027.26 = 176,205,722/x
  3. Step 3: Cross multiply
    322,883,438x = 445,579,027.26 × 176,205,722
  4. Step 4: Simplify right side
    322,883,438x = 78,513,574,206,405,984
  5. Step 5: Solve for x
    x = 78,513,574,206,405,984/322,883,438
  6. Step 6: Final answer
    x = 243,163,832.41

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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.