Home / 12,105,961,941.36-18,157,716,855.54-3,263,694,627.36

Finding the Fourth Proportional to 12,105,961,941.36, 18,157,716,855.54 and 3,263,694,627.36

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Solution

The fourth proportional to 12,105,961,941.36, 18,157,716,855.54 and 3,263,694,627.36 is: 4,895,211,403.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,105,961,941.36 : 18,157,716,855.54 = 3,263,694,627.36 : x
  2. Step 2: Convert to fraction form
    12,105,961,941.36/18,157,716,855.54 = 3,263,694,627.36/x
  3. Step 3: Cross multiply
    12,105,961,941.36x = 18,157,716,855.54 × 3,263,694,627.36
  4. Step 4: Simplify right side
    12,105,961,941.36x = 59,261,242,946,550,013,952
  5. Step 5: Solve for x
    x = 59,261,242,946,550,013,952/12,105,961,941.36
  6. Step 6: Final answer
    x = 4,895,211,403.57

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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.