Home / 965,115,722.16-1,331,753,129.87-541,632,253.50

Finding the Fourth Proportional to 965,115,722.16, 1,331,753,129.87 and 541,632,253.50

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Solution

The fourth proportional to 965,115,722.16, 1,331,753,129.87 and 541,632,253.50 is: 747,392,703.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,115,722.16 : 1,331,753,129.87 = 541,632,253.50 : x
  2. Step 2: Convert to fraction form
    965,115,722.16/1,331,753,129.87 = 541,632,253.50/x
  3. Step 3: Cross multiply
    965,115,722.16x = 1,331,753,129.87 × 541,632,253.50
  4. Step 4: Simplify right side
    965,115,722.16x = 721,320,448,834,458,112
  5. Step 5: Solve for x
    x = 721,320,448,834,458,112/965,115,722.16
  6. Step 6: Final answer
    x = 747,392,703.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.