Finding the Fourth Proportional to 5,202,663,752.92, 7,179,681,292.50 and 2,823,802,180.60
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Solution
The fourth proportional to 5,202,663,752.92, 7,179,681,292.50 and 2,823,802,180.60 is: 3,896,849,893.17
Step by Step Solution
- Step 1: Write the proportion equation
5,202,663,752.92 : 7,179,681,292.50 = 2,823,802,180.60 : x - Step 2: Convert to fraction form
5,202,663,752.92/7,179,681,292.50 = 2,823,802,180.60/x - Step 3: Cross multiply
5,202,663,752.92x = 7,179,681,292.50 × 2,823,802,180.60 - Step 4: Simplify right side
5,202,663,752.92x = 20,273,999,689,774,526,464 - Step 5: Solve for x
x = 20,273,999,689,774,526,464/5,202,663,752.92 - Step 6: Final answer
x = 3,896,849,893.17
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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.