Home / 9,181,749,700.80-13,752,217,216.80-7,957,309,636.80

Finding the Fourth Proportional to 9,181,749,700.80, 13,752,217,216.80 and 7,957,309,636.80

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Solution

The fourth proportional to 9,181,749,700.80, 13,752,217,216.80 and 7,957,309,636.80 is: 11,918,278,558.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,181,749,700.80 : 13,752,217,216.80 = 7,957,309,636.80 : x
  2. Step 2: Convert to fraction form
    9,181,749,700.80/13,752,217,216.80 = 7,957,309,636.80/x
  3. Step 3: Cross multiply
    9,181,749,700.80x = 13,752,217,216.80 × 7,957,309,636.80
  4. Step 4: Simplify right side
    9,181,749,700.80x = 109,430,650,586,609,516,544
  5. Step 5: Solve for x
    x = 109,430,650,586,609,516,544/9,181,749,700.80
  6. Step 6: Final answer
    x = 11,918,278,558.29

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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.