Home / 331,448,898.36-457,319,491.92-213,949,064.70

Finding the Fourth Proportional to 331,448,898.36, 457,319,491.92 and 213,949,064.70

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Solution

The fourth proportional to 331,448,898.36, 457,319,491.92 and 213,949,064.70 is: 295,198,077.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,448,898.36 : 457,319,491.92 = 213,949,064.70 : x
  2. Step 2: Convert to fraction form
    331,448,898.36/457,319,491.92 = 213,949,064.70/x
  3. Step 3: Cross multiply
    331,448,898.36x = 457,319,491.92 × 213,949,064.70
  4. Step 4: Simplify right side
    331,448,898.36x = 97,843,077,565,363,200
  5. Step 5: Solve for x
    x = 97,843,077,565,363,200/331,448,898.36
  6. Step 6: Final answer
    x = 295,198,077.44

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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.