Home / 11,752,179,389.55-16,218,008,573.40-6,399,738,143.19

Finding the Fourth Proportional to 11,752,179,389.55, 16,218,008,573.40 and 6,399,738,143.19

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Solution

The fourth proportional to 11,752,179,389.55, 16,218,008,573.40 and 6,399,738,143.19 is: 8,831,639,190.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,752,179,389.55 : 16,218,008,573.40 = 6,399,738,143.19 : x
  2. Step 2: Convert to fraction form
    11,752,179,389.55/16,218,008,573.40 = 6,399,738,143.19/x
  3. Step 3: Cross multiply
    11,752,179,389.55x = 16,218,008,573.40 × 6,399,738,143.19
  4. Step 4: Simplify right side
    11,752,179,389.55x = 103,791,008,073,770,401,792
  5. Step 5: Solve for x
    x = 103,791,008,073,770,401,792/11,752,179,389.55
  6. Step 6: Final answer
    x = 8,831,639,190.78

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Half scale
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Double scale
Find fourth proportional to 11,752,179,390.55, 16,218,008,574.78 and 6,399,738,144.19
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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.