Home / 856,285,426.12-1,181,706,371.04-479,948,969.56

Finding the Fourth Proportional to 856,285,426.12, 1,181,706,371.04 and 479,948,969.56

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Solution

The fourth proportional to 856,285,426.12, 1,181,706,371.04 and 479,948,969.56 is: 662,347,784.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,285,426.12 : 1,181,706,371.04 = 479,948,969.56 : x
  2. Step 2: Convert to fraction form
    856,285,426.12/1,181,706,371.04 = 479,948,969.56/x
  3. Step 3: Cross multiply
    856,285,426.12x = 1,181,706,371.04 × 479,948,969.56
  4. Step 4: Simplify right side
    856,285,426.12x = 567,158,755,103,135,040
  5. Step 5: Solve for x
    x = 567,158,755,103,135,040/856,285,426.12
  6. Step 6: Final answer
    x = 662,347,784.75

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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.