Home / 793,181,640.60-1,189,016,633.70-618,207,643.80

Finding the Fourth Proportional to 793,181,640.60, 1,189,016,633.70 and 618,207,643.80

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Solution

The fourth proportional to 793,181,640.60, 1,189,016,633.70 and 618,207,643.80 is: 926,722,372.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,181,640.60 : 1,189,016,633.70 = 618,207,643.80 : x
  2. Step 2: Convert to fraction form
    793,181,640.60/1,189,016,633.70 = 618,207,643.80/x
  3. Step 3: Cross multiply
    793,181,640.60x = 1,189,016,633.70 × 618,207,643.80
  4. Step 4: Simplify right side
    793,181,640.60x = 735,059,171,558,684,672
  5. Step 5: Solve for x
    x = 735,059,171,558,684,672/793,181,640.60
  6. Step 6: Final answer
    x = 926,722,372.20

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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.