Finding the Fourth Proportional to 884,399,990.76, 1,326,552,133.50 and 270,985,992.84
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Solution
The fourth proportional to 884,399,990.76, 1,326,552,133.50 and 270,985,992.84 is: 406,464,326.90
Step by Step Solution
- Step 1: Write the proportion equation
884,399,990.76 : 1,326,552,133.50 = 270,985,992.84 : x - Step 2: Convert to fraction form
884,399,990.76/1,326,552,133.50 = 270,985,992.84/x - Step 3: Cross multiply
884,399,990.76x = 1,326,552,133.50 × 270,985,992.84 - Step 4: Simplify right side
884,399,990.76x = 359,477,046,950,517,696 - Step 5: Solve for x
x = 359,477,046,950,517,696/884,399,990.76 - Step 6: Final answer
x = 406,464,326.90
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1.5x scale
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.