Home / 411,036,885.45-616,555,328.18-104,328,998.33

Finding the Fourth Proportional to 411,036,885.45, 616,555,328.18 and 104,328,998.33

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Solution

The fourth proportional to 411,036,885.45, 616,555,328.18 and 104,328,998.33 is: 156,493,497.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,036,885.45 : 616,555,328.18 = 104,328,998.33 : x
  2. Step 2: Convert to fraction form
    411,036,885.45/616,555,328.18 = 104,328,998.33/x
  3. Step 3: Cross multiply
    411,036,885.45x = 616,555,328.18 × 104,328,998.33
  4. Step 4: Simplify right side
    411,036,885.45x = 64,324,599,800,439,400
  5. Step 5: Solve for x
    x = 64,324,599,800,439,400/411,036,885.45
  6. Step 6: Final answer
    x = 156,493,497.49

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Double scale
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Similar ratio
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1.5x scale

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.