Home / 980,218,893.60-1,352,702,310.39-534,182,381.46

Finding the Fourth Proportional to 980,218,893.60, 1,352,702,310.39 and 534,182,381.46

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Solution

The fourth proportional to 980,218,893.60, 1,352,702,310.39 and 534,182,381.46 is: 737,171,815.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,218,893.60 : 1,352,702,310.39 = 534,182,381.46 : x
  2. Step 2: Convert to fraction form
    980,218,893.60/1,352,702,310.39 = 534,182,381.46/x
  3. Step 3: Cross multiply
    980,218,893.60x = 1,352,702,310.39 × 534,182,381.46
  4. Step 4: Simplify right side
    980,218,893.60x = 722,589,741,570,574,336
  5. Step 5: Solve for x
    x = 722,589,741,570,574,336/980,218,893.60
  6. Step 6: Final answer
    x = 737,171,815.69

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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.