Home / 1,381,365,444,507.10-1,906,156,385,280.80-764,054,876,304.80

Finding the Fourth Proportional to 1,381,365,444,507.10, 1,906,156,385,280.80 and 764,054,876,304.80

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Solution

The fourth proportional to 1,381,365,444,507.10, 1,906,156,385,280.80 and 764,054,876,304.80 is: 1,054,324,970,242.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,365,444,507.10 : 1,906,156,385,280.80 = 764,054,876,304.80 : x
  2. Step 2: Convert to fraction form
    1,381,365,444,507.10/1,906,156,385,280.80 = 764,054,876,304.80/x
  3. Step 3: Cross multiply
    1,381,365,444,507.10x = 1,906,156,385,280.80 × 764,054,876,304.80
  4. Step 4: Simplify right side
    1,381,365,444,507.10x = 1,456,408,081,173,326,489,190,400
  5. Step 5: Solve for x
    x = 1,456,408,081,173,326,489,190,400/1,381,365,444,507.10
  6. Step 6: Final answer
    x = 1,054,324,970,242.04

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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.