Finding the Fourth Proportional to 1,682,908,914.97, 2,322,373,762.52 and 919,919,071.27
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Solution
The fourth proportional to 1,682,908,914.97, 2,322,373,762.52 and 919,919,071.27 is: 1,269,466,158.12
Step by Step Solution
- Step 1: Write the proportion equation
1,682,908,914.97 : 2,322,373,762.52 = 919,919,071.27 : x - Step 2: Convert to fraction form
1,682,908,914.97/2,322,373,762.52 = 919,919,071.27/x - Step 3: Cross multiply
1,682,908,914.97x = 2,322,373,762.52 × 919,919,071.27 - Step 4: Simplify right side
1,682,908,914.97x = 2,136,395,914,761,012,736 - Step 5: Solve for x
x = 2,136,395,914,761,012,736/1,682,908,914.97 - Step 6: Final answer
x = 1,269,466,158.12
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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.