Home / 664,137,036.48-996,103,388.94-221,487,492.90

Finding the Fourth Proportional to 664,137,036.48, 996,103,388.94 and 221,487,492.90

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Solution

The fourth proportional to 664,137,036.48, 996,103,388.94 and 221,487,492.90 is: 332,197,167.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,137,036.48 : 996,103,388.94 = 221,487,492.90 : x
  2. Step 2: Convert to fraction form
    664,137,036.48/996,103,388.94 = 221,487,492.90/x
  3. Step 3: Cross multiply
    664,137,036.48x = 996,103,388.94 × 221,487,492.90
  4. Step 4: Simplify right side
    664,137,036.48x = 220,624,442,285,514,208
  5. Step 5: Solve for x
    x = 220,624,442,285,514,208/664,137,036.48
  6. Step 6: Final answer
    x = 332,197,167.40

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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.