Finding the Fourth Proportional to 699,356,677.97, 965,547,851.29 and 445,181,502.09
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Solution
The fourth proportional to 699,356,677.97, 965,547,851.29 and 445,181,502.09 is: 614,627,780.53
Step by Step Solution
- Step 1: Write the proportion equation
699,356,677.97 : 965,547,851.29 = 445,181,502.09 : x - Step 2: Convert to fraction form
699,356,677.97/965,547,851.29 = 445,181,502.09/x - Step 3: Cross multiply
699,356,677.97x = 965,547,851.29 × 445,181,502.09 - Step 4: Simplify right side
699,356,677.97x = 429,844,042,775,941,184 - Step 5: Solve for x
x = 429,844,042,775,941,184/699,356,677.97 - Step 6: Final answer
x = 614,627,780.53
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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.