Finding the Fourth Proportional to 7,392,890,506.67, 10,205,706,858.17 and 4,952,876,180.05
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Solution
The fourth proportional to 7,392,890,506.67, 10,205,706,858.17 and 4,952,876,180.05 is: 6,837,325,989.45
Step by Step Solution
- Step 1: Write the proportion equation
7,392,890,506.67 : 10,205,706,858.17 = 4,952,876,180.05 : x - Step 2: Convert to fraction form
7,392,890,506.67/10,205,706,858.17 = 4,952,876,180.05/x - Step 3: Cross multiply
7,392,890,506.67x = 10,205,706,858.17 × 4,952,876,180.05 - Step 4: Simplify right side
7,392,890,506.67x = 50,547,602,398,403,117,056 - Step 5: Solve for x
x = 50,547,602,398,403,117,056/7,392,890,506.67 - Step 6: Final answer
x = 6,837,325,989.45
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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.