Home / 5,012,978,514.42-7,519,717,537.97-1,907,801,818.86

Finding the Fourth Proportional to 5,012,978,514.42, 7,519,717,537.97 and 1,907,801,818.86

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Solution

The fourth proportional to 5,012,978,514.42, 7,519,717,537.97 and 1,907,801,818.86 is: 2,861,797,782.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,012,978,514.42 : 7,519,717,537.97 = 1,907,801,818.86 : x
  2. Step 2: Convert to fraction form
    5,012,978,514.42/7,519,717,537.97 = 1,907,801,818.86/x
  3. Step 3: Cross multiply
    5,012,978,514.42x = 7,519,717,537.97 × 1,907,801,818.86
  4. Step 4: Simplify right side
    5,012,978,514.42x = 14,346,130,796,252,606,464
  5. Step 5: Solve for x
    x = 14,346,130,796,252,606,464/5,012,978,514.42
  6. Step 6: Final answer
    x = 2,861,797,782.49

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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.