Home / 879,081,963,677.40-1,318,719,691,397.70-320,858,226,845.40

Finding the Fourth Proportional to 879,081,963,677.40, 1,318,719,691,397.70 and 320,858,226,845.40

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Solution

The fourth proportional to 879,081,963,677.40, 1,318,719,691,397.70 and 320,858,226,845.40 is: 481,322,651,778.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,081,963,677.40 : 1,318,719,691,397.70 = 320,858,226,845.40 : x
  2. Step 2: Convert to fraction form
    879,081,963,677.40/1,318,719,691,397.70 = 320,858,226,845.40/x
  3. Step 3: Cross multiply
    879,081,963,677.40x = 1,318,719,691,397.70 × 320,858,226,845.40
  4. Step 4: Simplify right side
    879,081,963,677.40x = 423,122,061,887,979,130,978,304
  5. Step 5: Solve for x
    x = 423,122,061,887,979,130,978,304/879,081,963,677.40
  6. Step 6: Final answer
    x = 481,322,651,778.64

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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.