Home / 690,045,399.53-952,258,884.77-376,777,371.49

Finding the Fourth Proportional to 690,045,399.53, 952,258,884.77 and 376,777,371.49

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Solution

The fourth proportional to 690,045,399.53, 952,258,884.77 and 376,777,371.49 is: 519,950,716.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,045,399.53 : 952,258,884.77 = 376,777,371.49 : x
  2. Step 2: Convert to fraction form
    690,045,399.53/952,258,884.77 = 376,777,371.49/x
  3. Step 3: Cross multiply
    690,045,399.53x = 952,258,884.77 × 376,777,371.49
  4. Step 4: Simplify right side
    690,045,399.53x = 358,789,599,577,536,896
  5. Step 5: Solve for x
    x = 358,789,599,577,536,896/690,045,399.53
  6. Step 6: Final answer
    x = 519,950,716.03

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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.