Finding the Fourth Proportional to 1,328,660,192.61, 1,833,515,542.13 and 733,931,876.84
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Solution
The fourth proportional to 1,328,660,192.61, 1,833,515,542.13 and 733,931,876.84 is: 1,012,806,367.29
Step by Step Solution
- Step 1: Write the proportion equation
1,328,660,192.61 : 1,833,515,542.13 = 733,931,876.84 : x - Step 2: Convert to fraction form
1,328,660,192.61/1,833,515,542.13 = 733,931,876.84/x - Step 3: Cross multiply
1,328,660,192.61x = 1,833,515,542.13 × 733,931,876.84 - Step 4: Simplify right side
1,328,660,192.61x = 1,345,675,503,037,943,808 - Step 5: Solve for x
x = 1,345,675,503,037,943,808/1,328,660,192.61 - Step 6: Final answer
x = 1,012,806,367.29
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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.