Home / 879,081,963,675.40-1,318,719,691,394.70-320,858,226,843.40

Finding the Fourth Proportional to 879,081,963,675.40, 1,318,719,691,394.70 and 320,858,226,843.40

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Solution

The fourth proportional to 879,081,963,675.40, 1,318,719,691,394.70 and 320,858,226,843.40 is: 481,322,651,775.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,081,963,675.40 : 1,318,719,691,394.70 = 320,858,226,843.40 : x
  2. Step 2: Convert to fraction form
    879,081,963,675.40/1,318,719,691,394.70 = 320,858,226,843.40/x
  3. Step 3: Cross multiply
    879,081,963,675.40x = 1,318,719,691,394.70 × 320,858,226,843.40
  4. Step 4: Simplify right side
    879,081,963,675.40x = 423,122,061,884,379,143,077,888
  5. Step 5: Solve for x
    x = 423,122,061,884,379,143,077,888/879,081,963,675.40
  6. Step 6: Final answer
    x = 481,322,651,775.64

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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.