Home / 384,104,994.36-576,158,377.23-221,406,103.68

Finding the Fourth Proportional to 384,104,994.36, 576,158,377.23 and 221,406,103.68

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Solution

The fourth proportional to 384,104,994.36, 576,158,377.23 and 221,406,103.68 is: 332,109,666.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,104,994.36 : 576,158,377.23 = 221,406,103.68 : x
  2. Step 2: Convert to fraction form
    384,104,994.36/576,158,377.23 = 221,406,103.68/x
  3. Step 3: Cross multiply
    384,104,994.36x = 576,158,377.23 × 221,406,103.68
  4. Step 4: Simplify right side
    384,104,994.36x = 127,564,981,405,085,936
  5. Step 5: Solve for x
    x = 127,564,981,405,085,936/384,104,994.36
  6. Step 6: Final answer
    x = 332,109,666.05

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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.