Home / 406,010,876.90-560,280,007.06-220,367,906.78

Finding the Fourth Proportional to 406,010,876.90, 560,280,007.06 and 220,367,906.78

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Solution

The fourth proportional to 406,010,876.90, 560,280,007.06 and 220,367,906.78 is: 304,099,568.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,010,876.90 : 560,280,007.06 = 220,367,906.78 : x
  2. Step 2: Convert to fraction form
    406,010,876.90/560,280,007.06 = 220,367,906.78/x
  3. Step 3: Cross multiply
    406,010,876.90x = 560,280,007.06 × 220,367,906.78
  4. Step 4: Simplify right side
    406,010,876.90x = 123,467,732,366,495,808
  5. Step 5: Solve for x
    x = 123,467,732,366,495,808/406,010,876.90
  6. Step 6: Final answer
    x = 304,099,568.24

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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.