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Finding the Fourth Proportional to 1,228,903,372.02, 1,843,356,928.05 and 501,892,084.02

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Solution

The fourth proportional to 1,228,903,372.02, 1,843,356,928.05 and 501,892,084.02 is: 752,838,889.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,903,372.02 : 1,843,356,928.05 = 501,892,084.02 : x
  2. Step 2: Convert to fraction form
    1,228,903,372.02/1,843,356,928.05 = 501,892,084.02/x
  3. Step 3: Cross multiply
    1,228,903,372.02x = 1,843,356,928.05 × 501,892,084.02
  4. Step 4: Simplify right side
    1,228,903,372.02x = 925,166,250,211,719,680
  5. Step 5: Solve for x
    x = 925,166,250,211,719,680/1,228,903,372.02
  6. Step 6: Final answer
    x = 752,838,889.76

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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.