Home / 5,285,931,218.76-7,932,389,945.64-2,488,699,716.52

Finding the Fourth Proportional to 5,285,931,218.76, 7,932,389,945.64 and 2,488,699,716.52

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Solution

The fourth proportional to 5,285,931,218.76, 7,932,389,945.64 and 2,488,699,716.52 is: 3,734,694,189.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,285,931,218.76 : 7,932,389,945.64 = 2,488,699,716.52 : x
  2. Step 2: Convert to fraction form
    5,285,931,218.76/7,932,389,945.64 = 2,488,699,716.52/x
  3. Step 3: Cross multiply
    5,285,931,218.76x = 7,932,389,945.64 × 2,488,699,716.52
  4. Step 4: Simplify right side
    5,285,931,218.76x = 19,741,336,609,040,367,616
  5. Step 5: Solve for x
    x = 19,741,336,609,040,367,616/5,285,931,218.76
  6. Step 6: Final answer
    x = 3,734,694,189.55

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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.