Finding the Fourth Proportional to 692,185,324.19, 955,215,673.61 and 374,645,517.33
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Solution
The fourth proportional to 692,185,324.19, 955,215,673.61 and 374,645,517.33 is: 517,010,773.99
Step by Step Solution
- Step 1: Write the proportion equation
692,185,324.19 : 955,215,673.61 = 374,645,517.33 : x - Step 2: Convert to fraction form
692,185,324.19/955,215,673.61 = 374,645,517.33/x - Step 3: Cross multiply
692,185,324.19x = 955,215,673.61 × 374,645,517.33 - Step 4: Simplify right side
692,185,324.19x = 357,867,270,204,839,936 - Step 5: Solve for x
x = 357,867,270,204,839,936/692,185,324.19 - Step 6: Final answer
x = 517,010,773.99
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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.