Finding the Fourth Proportional to 6,645,876,888.97, 9,968,832,217.78 and 2,715,583,051.53
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Solution
The fourth proportional to 6,645,876,888.97, 9,968,832,217.78 and 2,715,583,051.53 is: 4,073,381,476.43
Step by Step Solution
- Step 1: Write the proportion equation
6,645,876,888.97 : 9,968,832,217.78 = 2,715,583,051.53 : x - Step 2: Convert to fraction form
6,645,876,888.97/9,968,832,217.78 = 2,715,583,051.53/x - Step 3: Cross multiply
6,645,876,888.97x = 9,968,832,217.78 × 2,715,583,051.53 - Step 4: Simplify right side
6,645,876,888.97x = 27,071,191,814,149,595,136 - Step 5: Solve for x
x = 27,071,191,814,149,595,136/6,645,876,888.97 - Step 6: Final answer
x = 4,073,381,476.43
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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.