Home / 406,010,874.71-560,280,004.06-220,367,904.59

Finding the Fourth Proportional to 406,010,874.71, 560,280,004.06 and 220,367,904.59

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Solution

The fourth proportional to 406,010,874.71, 560,280,004.06 and 220,367,904.59 is: 304,099,565.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,010,874.71 : 560,280,004.06 = 220,367,904.59 : x
  2. Step 2: Convert to fraction form
    406,010,874.71/560,280,004.06 = 220,367,904.59/x
  3. Step 3: Cross multiply
    406,010,874.71x = 560,280,004.06 × 220,367,904.59
  4. Step 4: Simplify right side
    406,010,874.71x = 123,467,730,479,228,672
  5. Step 5: Solve for x
    x = 123,467,730,479,228,672/406,010,874.71
  6. Step 6: Final answer
    x = 304,099,565.23

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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.