Home / 1,377,504,497.52-2,066,264,211.24-408,164,511.60

Finding the Fourth Proportional to 1,377,504,497.52, 2,066,264,211.24 and 408,164,511.60

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Solution

The fourth proportional to 1,377,504,497.52, 2,066,264,211.24 and 408,164,511.60 is: 612,248,979.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,504,497.52 : 2,066,264,211.24 = 408,164,511.60 : x
  2. Step 2: Convert to fraction form
    1,377,504,497.52/2,066,264,211.24 = 408,164,511.60/x
  3. Step 3: Cross multiply
    1,377,504,497.52x = 2,066,264,211.24 × 408,164,511.60
  4. Step 4: Simplify right side
    1,377,504,497.52x = 843,375,722,617,333,888
  5. Step 5: Solve for x
    x = 843,375,722,617,333,888/1,377,504,497.52
  6. Step 6: Final answer
    x = 612,248,979.32

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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.