Home / 7,965,853,216.45-11,942,889,205.31-4,817,367,865.72

Finding the Fourth Proportional to 7,965,853,216.45, 11,942,889,205.31 and 4,817,367,865.72

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Solution

The fourth proportional to 7,965,853,216.45, 11,942,889,205.31 and 4,817,367,865.72 is: 7,222,489,433.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,965,853,216.45 : 11,942,889,205.31 = 4,817,367,865.72 : x
  2. Step 2: Convert to fraction form
    7,965,853,216.45/11,942,889,205.31 = 4,817,367,865.72/x
  3. Step 3: Cross multiply
    7,965,853,216.45x = 11,942,889,205.31 × 4,817,367,865.72
  4. Step 4: Simplify right side
    7,965,853,216.45x = 57,533,290,681,514,663,936
  5. Step 5: Solve for x
    x = 57,533,290,681,514,663,936/7,965,853,216.45
  6. Step 6: Final answer
    x = 7,222,489,433.11

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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.