Home / 558,622,360.05-770,780,912.40-323,658,712.68

Finding the Fourth Proportional to 558,622,360.05, 770,780,912.40 and 323,658,712.68

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Solution

The fourth proportional to 558,622,360.05, 770,780,912.40 and 323,658,712.68 is: 446,580,687.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,622,360.05 : 770,780,912.40 = 323,658,712.68 : x
  2. Step 2: Convert to fraction form
    558,622,360.05/770,780,912.40 = 323,658,712.68/x
  3. Step 3: Cross multiply
    558,622,360.05x = 770,780,912.40 × 323,658,712.68
  4. Step 4: Simplify right side
    558,622,360.05x = 249,469,957,865,699,840
  5. Step 5: Solve for x
    x = 249,469,957,865,699,840/558,622,360.05
  6. Step 6: Final answer
    x = 446,580,687.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.