Finding the Fourth Proportional to 6,468,683,078.09, 8,926,782,578.66 and 3,498,459,329.09
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Solution
The fourth proportional to 6,468,683,078.09, 8,926,782,578.66 and 3,498,459,329.09 is: 4,827,873,836.77
Step by Step Solution
- Step 1: Write the proportion equation
6,468,683,078.09 : 8,926,782,578.66 = 3,498,459,329.09 : x - Step 2: Convert to fraction form
6,468,683,078.09/8,926,782,578.66 = 3,498,459,329.09/x - Step 3: Cross multiply
6,468,683,078.09x = 8,926,782,578.66 × 3,498,459,329.09 - Step 4: Simplify right side
6,468,683,078.09x = 31,229,985,791,071,166,464 - Step 5: Solve for x
x = 31,229,985,791,071,166,464/6,468,683,078.09 - Step 6: Final answer
x = 4,827,873,836.77
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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.