Home / 411,410,789.52-617,114,488.40-149,033,904.48

Finding the Fourth Proportional to 411,410,789.52, 617,114,488.40 and 149,033,904.48

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Solution

The fourth proportional to 411,410,789.52, 617,114,488.40 and 149,033,904.48 is: 223,550,242.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,410,789.52 : 617,114,488.40 = 149,033,904.48 : x
  2. Step 2: Convert to fraction form
    411,410,789.52/617,114,488.40 = 149,033,904.48/x
  3. Step 3: Cross multiply
    411,410,789.52x = 617,114,488.40 × 149,033,904.48
  4. Step 4: Simplify right side
    411,410,789.52x = 91,970,981,717,429,664
  5. Step 5: Solve for x
    x = 91,970,981,717,429,664/411,410,789.52
  6. Step 6: Final answer
    x = 223,550,242.39

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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.