Home / 758,343,249.28-1,137,557,388.96-213,042,268.48

Finding the Fourth Proportional to 758,343,249.28, 1,137,557,388.96 and 213,042,268.48

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Solution

The fourth proportional to 758,343,249.28, 1,137,557,388.96 and 213,042,268.48 is: 319,575,346.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,343,249.28 : 1,137,557,388.96 = 213,042,268.48 : x
  2. Step 2: Convert to fraction form
    758,343,249.28/1,137,557,388.96 = 213,042,268.48/x
  3. Step 3: Cross multiply
    758,343,249.28x = 1,137,557,388.96 × 213,042,268.48
  4. Step 4: Simplify right side
    758,343,249.28x = 242,347,806,670,224,096
  5. Step 5: Solve for x
    x = 242,347,806,670,224,096/758,343,249.28
  6. Step 6: Final answer
    x = 319,575,346.52

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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.