Finding the Fourth Proportional to 299,431,775.68, 413,192,788.32 and 169,064,451.52
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Solution
The fourth proportional to 299,431,775.68, 413,192,788.32 and 169,064,451.52 is: 233,295,921.82
Step by Step Solution
- Step 1: Write the proportion equation
299,431,775.68 : 413,192,788.32 = 169,064,451.52 : x - Step 2: Convert to fraction form
299,431,775.68/413,192,788.32 = 169,064,451.52/x - Step 3: Cross multiply
299,431,775.68x = 413,192,788.32 × 169,064,451.52 - Step 4: Simplify right side
299,431,775.68x = 69,856,212,129,340,264 - Step 5: Solve for x
x = 69,856,212,129,340,264/299,431,775.68 - Step 6: Final answer
x = 233,295,921.82
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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.