Home / 464,269,277.92-640,691,582.36-255,420,940.20

Finding the Fourth Proportional to 464,269,277.92, 640,691,582.36 and 255,420,940.20

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Solution

The fourth proportional to 464,269,277.92, 640,691,582.36 and 255,420,940.20 is: 352,480,885.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,269,277.92 : 640,691,582.36 = 255,420,940.20 : x
  2. Step 2: Convert to fraction form
    464,269,277.92/640,691,582.36 = 255,420,940.20/x
  3. Step 3: Cross multiply
    464,269,277.92x = 640,691,582.36 × 255,420,940.20
  4. Step 4: Simplify right side
    464,269,277.92x = 163,646,046,344,616,928
  5. Step 5: Solve for x
    x = 163,646,046,344,616,928/464,269,277.92
  6. Step 6: Final answer
    x = 352,480,885.83

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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.