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Finding the Fourth Proportional to 1,322,886,494.52, 1,982,995,822.44 and 831,950,615.34

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Solution

The fourth proportional to 1,322,886,494.52, 1,982,995,822.44 and 831,950,615.34 is: 1,247,087,033.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,886,494.52 : 1,982,995,822.44 = 831,950,615.34 : x
  2. Step 2: Convert to fraction form
    1,322,886,494.52/1,982,995,822.44 = 831,950,615.34/x
  3. Step 3: Cross multiply
    1,322,886,494.52x = 1,982,995,822.44 × 831,950,615.34
  4. Step 4: Simplify right side
    1,322,886,494.52x = 1,649,754,594,695,607,552
  5. Step 5: Solve for x
    x = 1,649,754,594,695,607,552/1,322,886,494.52
  6. Step 6: Final answer
    x = 1,247,087,033.94

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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.