Home / 350,646,472.74-524,921,109.54-212,052,638.66

Finding the Fourth Proportional to 350,646,472.74, 524,921,109.54 and 212,052,638.66

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Solution

The fourth proportional to 350,646,472.74, 524,921,109.54 and 212,052,638.66 is: 317,444,819.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,646,472.74 : 524,921,109.54 = 212,052,638.66 : x
  2. Step 2: Convert to fraction form
    350,646,472.74/524,921,109.54 = 212,052,638.66/x
  3. Step 3: Cross multiply
    350,646,472.74x = 524,921,109.54 × 212,052,638.66
  4. Step 4: Simplify right side
    350,646,472.74x = 111,310,906,362,872,096
  5. Step 5: Solve for x
    x = 111,310,906,362,872,096/350,646,472.74
  6. Step 6: Final answer
    x = 317,444,819.83

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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.