Home / 657,495,563.58-906,906,882.87-422,843,060.70

Finding the Fourth Proportional to 657,495,563.58, 906,906,882.87 and 422,843,060.70

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Solution

The fourth proportional to 657,495,563.58, 906,906,882.87 and 422,843,060.70 is: 583,242,387.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,495,563.58 : 906,906,882.87 = 422,843,060.70 : x
  2. Step 2: Convert to fraction form
    657,495,563.58/906,906,882.87 = 422,843,060.70/x
  3. Step 3: Cross multiply
    657,495,563.58x = 906,906,882.87 × 422,843,060.70
  4. Step 4: Simplify right side
    657,495,563.58x = 383,479,282,122,647,168
  5. Step 5: Solve for x
    x = 383,479,282,122,647,168/657,495,563.58
  6. Step 6: Final answer
    x = 583,242,387.27

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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.