Home / 990,149,327,999.55-1,485,223,991,999.30-990,149,327,999.55

Finding the Fourth Proportional to 990,149,327,999.55, 1,485,223,991,999.30 and 990,149,327,999.55

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Solution

The fourth proportional to 990,149,327,999.55, 1,485,223,991,999.30 and 990,149,327,999.55 is: 1,485,223,991,999.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,149,327,999.55 : 1,485,223,991,999.30 = 990,149,327,999.55 : x
  2. Step 2: Convert to fraction form
    990,149,327,999.55/1,485,223,991,999.30 = 990,149,327,999.55/x
  3. Step 3: Cross multiply
    990,149,327,999.55x = 1,485,223,991,999.30 × 990,149,327,999.55
  4. Step 4: Simplify right side
    990,149,327,999.55x = 1,470,593,537,606,915,960,340,480
  5. Step 5: Solve for x
    x = 1,470,593,537,606,915,960,340,480/990,149,327,999.55
  6. Step 6: Final answer
    x = 1,485,223,991,999.30

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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.