Home / 466,150,511.70-699,225,767.55-312,869,999.70

Finding the Fourth Proportional to 466,150,511.70, 699,225,767.55 and 312,869,999.70

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Solution

The fourth proportional to 466,150,511.70, 699,225,767.55 and 312,869,999.70 is: 469,304,999.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,150,511.70 : 699,225,767.55 = 312,869,999.70 : x
  2. Step 2: Convert to fraction form
    466,150,511.70/699,225,767.55 = 312,869,999.70/x
  3. Step 3: Cross multiply
    466,150,511.70x = 699,225,767.55 × 312,869,999.70
  4. Step 4: Simplify right side
    466,150,511.70x = 218,766,765,683,600,736
  5. Step 5: Solve for x
    x = 218,766,765,683,600,736/466,150,511.70
  6. Step 6: Final answer
    x = 469,304,999.55

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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.