Home / 13,050,649,139.44-18,012,055,731.08-7,699,517,747.44

Finding the Fourth Proportional to 13,050,649,139.44, 18,012,055,731.08 and 7,699,517,747.44

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Solution

The fourth proportional to 13,050,649,139.44, 18,012,055,731.08 and 7,699,517,747.44 is: 10,626,608,783.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,050,649,139.44 : 18,012,055,731.08 = 7,699,517,747.44 : x
  2. Step 2: Convert to fraction form
    13,050,649,139.44/18,012,055,731.08 = 7,699,517,747.44/x
  3. Step 3: Cross multiply
    13,050,649,139.44x = 18,012,055,731.08 × 7,699,517,747.44
  4. Step 4: Simplify right side
    13,050,649,139.44x = 138,684,142,769,328,832,512
  5. Step 5: Solve for x
    x = 138,684,142,769,328,832,512/13,050,649,139.44
  6. Step 6: Final answer
    x = 10,626,608,783.02

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1.5x scale

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.