Home / 415,052,009,420.97-622,605,331,701.25-108,749,289,663.63

Finding the Fourth Proportional to 415,052,009,420.97, 622,605,331,701.25 and 108,749,289,663.63

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Solution

The fourth proportional to 415,052,009,420.97, 622,605,331,701.25 and 108,749,289,663.63 is: 163,131,092,071.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,052,009,420.97 : 622,605,331,701.25 = 108,749,289,663.63 : x
  2. Step 2: Convert to fraction form
    415,052,009,420.97/622,605,331,701.25 = 108,749,289,663.63/x
  3. Step 3: Cross multiply
    415,052,009,420.97x = 622,605,331,701.25 × 108,749,289,663.63
  4. Step 4: Simplify right side
    415,052,009,420.97x = 67,707,887,563,299,677,536,256
  5. Step 5: Solve for x
    x = 67,707,887,563,299,677,536,256/415,052,009,420.97
  6. Step 6: Final answer
    x = 163,131,092,071.47

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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.