Home / 415,052,009,417.04-622,605,331,695.35-108,749,289,659.68

Finding the Fourth Proportional to 415,052,009,417.04, 622,605,331,695.35 and 108,749,289,659.68

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Solution

The fourth proportional to 415,052,009,417.04, 622,605,331,695.35 and 108,749,289,659.68 is: 163,131,092,065.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,052,009,417.04 : 622,605,331,695.35 = 108,749,289,659.68 : x
  2. Step 2: Convert to fraction form
    415,052,009,417.04/622,605,331,695.35 = 108,749,289,659.68/x
  3. Step 3: Cross multiply
    415,052,009,417.04x = 622,605,331,695.35 × 108,749,289,659.68
  4. Step 4: Simplify right side
    415,052,009,417.04x = 67,707,887,560,198,753,091,584
  5. Step 5: Solve for x
    x = 67,707,887,560,198,753,091,584/415,052,009,417.04
  6. Step 6: Final answer
    x = 163,131,092,065.54

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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.