Home / 935,958,197.72-1,291,606,532.38-518,261,514.96

Finding the Fourth Proportional to 935,958,197.72, 1,291,606,532.38 and 518,261,514.96

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Solution

The fourth proportional to 935,958,197.72, 1,291,606,532.38 and 518,261,514.96 is: 715,192,152.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,958,197.72 : 1,291,606,532.38 = 518,261,514.96 : x
  2. Step 2: Convert to fraction form
    935,958,197.72/1,291,606,532.38 = 518,261,514.96/x
  3. Step 3: Cross multiply
    935,958,197.72x = 1,291,606,532.38 × 518,261,514.96
  4. Step 4: Simplify right side
    935,958,197.72x = 669,389,958,203,491,072
  5. Step 5: Solve for x
    x = 669,389,958,203,491,072/935,958,197.72
  6. Step 6: Final answer
    x = 715,192,152.63

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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.