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Finding the Fourth Proportional to 412,993,801.50, 619,486,503.03 and 106,284,722.46

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Solution

The fourth proportional to 412,993,801.50, 619,486,503.03 and 106,284,722.46 is: 159,426,003.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,993,801.50 : 619,486,503.03 = 106,284,722.46 : x
  2. Step 2: Convert to fraction form
    412,993,801.50/619,486,503.03 = 106,284,722.46/x
  3. Step 3: Cross multiply
    412,993,801.50x = 619,486,503.03 × 106,284,722.46
  4. Step 4: Simplify right side
    412,993,801.50x = 65,841,951,042,259,488
  5. Step 5: Solve for x
    x = 65,841,951,042,259,488/412,993,801.50
  6. Step 6: Final answer
    x = 159,426,003.01

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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.