Home / 879,081,963,586.40-1,318,719,691,261.20-320,858,226,754.40

Finding the Fourth Proportional to 879,081,963,586.40, 1,318,719,691,261.20 and 320,858,226,754.40

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Solution

The fourth proportional to 879,081,963,586.40, 1,318,719,691,261.20 and 320,858,226,754.40 is: 481,322,651,642.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,081,963,586.40 : 1,318,719,691,261.20 = 320,858,226,754.40 : x
  2. Step 2: Convert to fraction form
    879,081,963,586.40/1,318,719,691,261.20 = 320,858,226,754.40/x
  3. Step 3: Cross multiply
    879,081,963,586.40x = 1,318,719,691,261.20 × 320,858,226,754.40
  4. Step 4: Simplify right side
    879,081,963,586.40x = 423,122,061,724,178,473,549,824
  5. Step 5: Solve for x
    x = 423,122,061,724,178,473,549,824/879,081,963,586.40
  6. Step 6: Final answer
    x = 481,322,651,642.13

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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.