Home / 393,296,749.20-589,945,123.80-247,894,491.60

Finding the Fourth Proportional to 393,296,749.20, 589,945,123.80 and 247,894,491.60

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Solution

The fourth proportional to 393,296,749.20, 589,945,123.80 and 247,894,491.60 is: 371,841,737.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,296,749.20 : 589,945,123.80 = 247,894,491.60 : x
  2. Step 2: Convert to fraction form
    393,296,749.20/589,945,123.80 = 247,894,491.60/x
  3. Step 3: Cross multiply
    393,296,749.20x = 589,945,123.80 × 247,894,491.60
  4. Step 4: Simplify right side
    393,296,749.20x = 146,244,146,536,300,032
  5. Step 5: Solve for x
    x = 146,244,146,536,300,032/393,296,749.20
  6. Step 6: Final answer
    x = 371,841,737.40

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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.