Home / 384,104,986.53-576,158,365.52-221,406,095.85

Finding the Fourth Proportional to 384,104,986.53, 576,158,365.52 and 221,406,095.85

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Solution

The fourth proportional to 384,104,986.53, 576,158,365.52 and 221,406,095.85 is: 332,109,654.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,104,986.53 : 576,158,365.52 = 221,406,095.85 : x
  2. Step 2: Convert to fraction form
    384,104,986.53/576,158,365.52 = 221,406,095.85/x
  3. Step 3: Cross multiply
    384,104,986.53x = 576,158,365.52 × 221,406,095.85
  4. Step 4: Simplify right side
    384,104,986.53x = 127,564,974,301,100,448
  5. Step 5: Solve for x
    x = 127,564,974,301,100,448/384,104,986.53
  6. Step 6: Final answer
    x = 332,109,654.33

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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.