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Finding the Fourth Proportional to 3,195,843,187, 4,793,764,780.50 and 898,128,499

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Solution

The fourth proportional to 3,195,843,187, 4,793,764,780.50 and 898,128,499 is: 1,347,192,748.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,195,843,187 : 4,793,764,780.50 = 898,128,499 : x
  2. Step 2: Convert to fraction form
    3,195,843,187/4,793,764,780.50 = 898,128,499/x
  3. Step 3: Cross multiply
    3,195,843,187x = 4,793,764,780.50 × 898,128,499
  4. Step 4: Simplify right side
    3,195,843,187x = 4,305,416,766,869,529,600
  5. Step 5: Solve for x
    x = 4,305,416,766,869,529,600/3,195,843,187
  6. Step 6: Final answer
    x = 1,347,192,748.50

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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.