Finding the Fourth Proportional to 777,413,149.18, 1,067,119,516.68 and 687,333,899.68
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Solution
The fourth proportional to 777,413,149.18, 1,067,119,516.68 and 687,333,899.68 is: 943,471,845.82
Step by Step Solution
- Step 1: Write the proportion equation
777,413,149.18 : 1,067,119,516.68 = 687,333,899.68 : x - Step 2: Convert to fraction form
777,413,149.18/1,067,119,516.68 = 687,333,899.68/x - Step 3: Cross multiply
777,413,149.18x = 1,067,119,516.68 × 687,333,899.68 - Step 4: Simplify right side
777,413,149.18x = 733,467,418,824,301,056 - Step 5: Solve for x
x = 733,467,418,824,301,056/777,413,149.18 - Step 6: Final answer
x = 943,471,845.82
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.