Home / 10,168,818,078.74-15,253,275,833.55-3,086,362,477.94

Finding the Fourth Proportional to 10,168,818,078.74, 15,253,275,833.55 and 3,086,362,477.94

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Solution

The fourth proportional to 10,168,818,078.74, 15,253,275,833.55 and 3,086,362,477.94 is: 4,629,558,502.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,168,818,078.74 : 15,253,275,833.55 = 3,086,362,477.94 : x
  2. Step 2: Convert to fraction form
    10,168,818,078.74/15,253,275,833.55 = 3,086,362,477.94/x
  3. Step 3: Cross multiply
    10,168,818,078.74x = 15,253,275,833.55 × 3,086,362,477.94
  4. Step 4: Simplify right side
    10,168,818,078.74x = 47,077,138,198,337,691,648
  5. Step 5: Solve for x
    x = 47,077,138,198,337,691,648/10,168,818,078.74
  6. Step 6: Final answer
    x = 4,629,558,502.65

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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.