Home / 692,034,745.83-1,038,115,192.76-225,576,441.43

Finding the Fourth Proportional to 692,034,745.83, 1,038,115,192.76 and 225,576,441.43

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Solution

The fourth proportional to 692,034,745.83, 1,038,115,192.76 and 225,576,441.43 is: 338,385,221.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,034,745.83 : 1,038,115,192.76 = 225,576,441.43 : x
  2. Step 2: Convert to fraction form
    692,034,745.83/1,038,115,192.76 = 225,576,441.43/x
  3. Step 3: Cross multiply
    692,034,745.83x = 1,038,115,192.76 × 225,576,441.43
  4. Step 4: Simplify right side
    692,034,745.83x = 234,174,330,975,187,968
  5. Step 5: Solve for x
    x = 234,174,330,975,187,968/692,034,745.83
  6. Step 6: Final answer
    x = 338,385,221.82

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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.