Home / 411,804,586.40-617,706,383.88-105,096,732.08

Finding the Fourth Proportional to 411,804,586.40, 617,706,383.88 and 105,096,732.08

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Solution

The fourth proportional to 411,804,586.40, 617,706,383.88 and 105,096,732.08 is: 157,644,971.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,804,586.40 : 617,706,383.88 = 105,096,732.08 : x
  2. Step 2: Convert to fraction form
    411,804,586.40/617,706,383.88 = 105,096,732.08/x
  3. Step 3: Cross multiply
    411,804,586.40x = 617,706,383.88 × 105,096,732.08
  4. Step 4: Simplify right side
    411,804,586.40x = 64,918,922,330,741,992
  5. Step 5: Solve for x
    x = 64,918,922,330,741,992/411,804,586.40
  6. Step 6: Final answer
    x = 157,644,971.61

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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.