Home / 406,010,878.76-560,280,009.64-220,367,908.64

Finding the Fourth Proportional to 406,010,878.76, 560,280,009.64 and 220,367,908.64

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Solution

The fourth proportional to 406,010,878.76, 560,280,009.64 and 220,367,908.64 is: 304,099,570.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,010,878.76 : 560,280,009.64 = 220,367,908.64 : x
  2. Step 2: Convert to fraction form
    406,010,878.76/560,280,009.64 = 220,367,908.64/x
  3. Step 3: Cross multiply
    406,010,878.76x = 560,280,009.64 × 220,367,908.64
  4. Step 4: Simplify right side
    406,010,878.76x = 123,467,733,977,165,824
  5. Step 5: Solve for x
    x = 123,467,733,977,165,824/406,010,878.76
  6. Step 6: Final answer
    x = 304,099,570.82

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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.