Home / 406,016,169.84-560,302,881.24-220,377,223.92

Finding the Fourth Proportional to 406,016,169.84, 560,302,881.24 and 220,377,223.92

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Solution

The fourth proportional to 406,016,169.84, 560,302,881.24 and 220,377,223.92 is: 304,120,876.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,016,169.84 : 560,302,881.24 = 220,377,223.92 : x
  2. Step 2: Convert to fraction form
    406,016,169.84/560,302,881.24 = 220,377,223.92/x
  3. Step 3: Cross multiply
    406,016,169.84x = 560,302,881.24 × 220,377,223.92
  4. Step 4: Simplify right side
    406,016,169.84x = 123,477,993,522,048,640
  5. Step 5: Solve for x
    x = 123,477,993,522,048,640/406,016,169.84
  6. Step 6: Final answer
    x = 304,120,876.69

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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.