Home / 406,010,877.54-560,280,007.97-220,367,907.42

Finding the Fourth Proportional to 406,010,877.54, 560,280,007.97 and 220,367,907.42

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Solution

The fourth proportional to 406,010,877.54, 560,280,007.97 and 220,367,907.42 is: 304,099,569.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,010,877.54 : 560,280,007.97 = 220,367,907.42 : x
  2. Step 2: Convert to fraction form
    406,010,877.54/560,280,007.97 = 220,367,907.42/x
  3. Step 3: Cross multiply
    406,010,877.54x = 560,280,007.97 × 220,367,907.42
  4. Step 4: Simplify right side
    406,010,877.54x = 123,467,732,928,894,240
  5. Step 5: Solve for x
    x = 123,467,732,928,894,240/406,010,877.54
  6. Step 6: Final answer
    x = 304,099,569.14

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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.