Finding the Fourth Proportional to 880,920,713.10, 1,215,326,517.48 and 504,376,060.29
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Solution
The fourth proportional to 880,920,713.10, 1,215,326,517.48 and 504,376,060.29 is: 695,841,965.95
Step by Step Solution
- Step 1: Write the proportion equation
880,920,713.10 : 1,215,326,517.48 = 504,376,060.29 : x - Step 2: Convert to fraction form
880,920,713.10/1,215,326,517.48 = 504,376,060.29/x - Step 3: Cross multiply
880,920,713.10x = 1,215,326,517.48 × 504,376,060.29 - Step 4: Simplify right side
880,920,713.10x = 612,981,600,852,528,256 - Step 5: Solve for x
x = 612,981,600,852,528,256/880,920,713.10 - Step 6: Final answer
x = 695,841,965.95
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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.