Finding the Fourth Proportional to 718,028,414.98, 1,077,369,876.50 and 368,519,922.68
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Solution
The fourth proportional to 718,028,414.98, 1,077,369,876.50 and 368,519,922.68 is: 552,947,843.43
Step by Step Solution
- Step 1: Write the proportion equation
718,028,414.98 : 1,077,369,876.50 = 368,519,922.68 : x - Step 2: Convert to fraction form
718,028,414.98/1,077,369,876.50 = 368,519,922.68/x - Step 3: Cross multiply
718,028,414.98x = 1,077,369,876.50 × 368,519,922.68 - Step 4: Simplify right side
718,028,414.98x = 397,032,263,586,572,032 - Step 5: Solve for x
x = 397,032,263,586,572,032/718,028,414.98 - Step 6: Final answer
x = 552,947,843.43
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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.