Finding the Fourth Proportional to 319,610,878.68, 479,437,575.66 and 112,324,219.32
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Solution
The fourth proportional to 319,610,878.68, 479,437,575.66 and 112,324,219.32 is: 168,493,799.78
Step by Step Solution
- Step 1: Write the proportion equation
319,610,878.68 : 479,437,575.66 = 112,324,219.32 : x - Step 2: Convert to fraction form
319,610,878.68/479,437,575.66 = 112,324,219.32/x - Step 3: Cross multiply
319,610,878.68x = 479,437,575.66 × 112,324,219.32 - Step 4: Simplify right side
319,610,878.68x = 53,852,451,398,682,936 - Step 5: Solve for x
x = 53,852,451,398,682,936/319,610,878.68 - Step 6: Final answer
x = 168,493,799.78
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.