Home / 312,330,614.38-430,764,927.87-274,573,047.04

Finding the Fourth Proportional to 312,330,614.38, 430,764,927.87 and 274,573,047.04

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Solution

The fourth proportional to 312,330,614.38, 430,764,927.87 and 274,573,047.04 is: 378,689,866.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,330,614.38 : 430,764,927.87 = 274,573,047.04 : x
  2. Step 2: Convert to fraction form
    312,330,614.38/430,764,927.87 = 274,573,047.04/x
  3. Step 3: Cross multiply
    312,330,614.38x = 430,764,927.87 × 274,573,047.04
  4. Step 4: Simplify right side
    312,330,614.38x = 118,276,438,803,231,728
  5. Step 5: Solve for x
    x = 118,276,438,803,231,728/312,330,614.38
  6. Step 6: Final answer
    x = 378,689,866.95

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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.