Home / 667,614,835.43-921,475,896.03-453,395,942.91

Finding the Fourth Proportional to 667,614,835.43, 921,475,896.03 and 453,395,942.91

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Solution

The fourth proportional to 667,614,835.43, 921,475,896.03 and 453,395,942.91 is: 625,800,102.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,614,835.43 : 921,475,896.03 = 453,395,942.91 : x
  2. Step 2: Convert to fraction form
    667,614,835.43/921,475,896.03 = 453,395,942.91/x
  3. Step 3: Cross multiply
    667,614,835.43x = 921,475,896.03 × 453,395,942.91
  4. Step 4: Simplify right side
    667,614,835.43x = 417,793,432,749,358,976
  5. Step 5: Solve for x
    x = 417,793,432,749,358,976/667,614,835.43
  6. Step 6: Final answer
    x = 625,800,102.96

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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.