Home / 1,098,246,420.23-1,515,673,529.64-622,021,505.58

Finding the Fourth Proportional to 1,098,246,420.23, 1,515,673,529.64 and 622,021,505.58

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Solution

The fourth proportional to 1,098,246,420.23, 1,515,673,529.64 and 622,021,505.58 is: 858,442,616.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,246,420.23 : 1,515,673,529.64 = 622,021,505.58 : x
  2. Step 2: Convert to fraction form
    1,098,246,420.23/1,515,673,529.64 = 622,021,505.58/x
  3. Step 3: Cross multiply
    1,098,246,420.23x = 1,515,673,529.64 × 622,021,505.58
  4. Step 4: Simplify right side
    1,098,246,420.23x = 942,781,530,874,425,728
  5. Step 5: Solve for x
    x = 942,781,530,874,425,728/1,098,246,420.23
  6. Step 6: Final answer
    x = 858,442,616.80

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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.