Home / 312,330,607.38-430,764,918.21-274,573,040.04

Finding the Fourth Proportional to 312,330,607.38, 430,764,918.21 and 274,573,040.04

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Solution

The fourth proportional to 312,330,607.38, 430,764,918.21 and 274,573,040.04 is: 378,689,857.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,330,607.38 : 430,764,918.21 = 274,573,040.04 : x
  2. Step 2: Convert to fraction form
    312,330,607.38/430,764,918.21 = 274,573,040.04/x
  3. Step 3: Cross multiply
    312,330,607.38x = 430,764,918.21 × 274,573,040.04
  4. Step 4: Simplify right side
    312,330,607.38x = 118,276,433,135,501,664
  5. Step 5: Solve for x
    x = 118,276,433,135,501,664/312,330,607.38
  6. Step 6: Final answer
    x = 378,689,857.29

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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.