Home / 423,738,334.60-635,607,501.90-219,329,067.40

Finding the Fourth Proportional to 423,738,334.60, 635,607,501.90 and 219,329,067.40

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Solution

The fourth proportional to 423,738,334.60, 635,607,501.90 and 219,329,067.40 is: 328,993,601.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,738,334.60 : 635,607,501.90 = 219,329,067.40 : x
  2. Step 2: Convert to fraction form
    423,738,334.60/635,607,501.90 = 219,329,067.40/x
  3. Step 3: Cross multiply
    423,738,334.60x = 635,607,501.90 × 219,329,067.40
  4. Step 4: Simplify right side
    423,738,334.60x = 139,407,200,624,170,720
  5. Step 5: Solve for x
    x = 139,407,200,624,170,720/423,738,334.60
  6. Step 6: Final answer
    x = 328,993,601.10

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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.