Home / 411,036,629.70-616,554,944.55-104,328,742.58

Finding the Fourth Proportional to 411,036,629.70, 616,554,944.55 and 104,328,742.58

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Solution

The fourth proportional to 411,036,629.70, 616,554,944.55 and 104,328,742.58 is: 156,493,113.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,036,629.70 : 616,554,944.55 = 104,328,742.58 : x
  2. Step 2: Convert to fraction form
    411,036,629.70/616,554,944.55 = 104,328,742.58/x
  3. Step 3: Cross multiply
    411,036,629.70x = 616,554,944.55 × 104,328,742.58
  4. Step 4: Simplify right side
    411,036,629.70x = 64,324,402,096,383,120
  5. Step 5: Solve for x
    x = 64,324,402,096,383,120/411,036,629.70
  6. Step 6: Final answer
    x = 156,493,113.87

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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.