Finding the Fourth Proportional to 1,364,091,116.20, 1,882,368,450.44 and 769,340,052.88
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Solution
The fourth proportional to 1,364,091,116.20, 1,882,368,450.44 and 769,340,052.88 is: 1,061,645,681.88
Step by Step Solution
- Step 1: Write the proportion equation
1,364,091,116.20 : 1,882,368,450.44 = 769,340,052.88 : x - Step 2: Convert to fraction form
1,364,091,116.20/1,882,368,450.44 = 769,340,052.88/x - Step 3: Cross multiply
1,364,091,116.20x = 1,882,368,450.44 × 769,340,052.88 - Step 4: Simplify right side
1,364,091,116.20x = 1,448,181,443,201,153,280 - Step 5: Solve for x
x = 1,448,181,443,201,153,280/1,364,091,116.20 - Step 6: Final answer
x = 1,061,645,681.88
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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.