Finding the Fourth Proportional to 212,968,694,334.68, 319,472,679,718.10 and 69,548,474,241.57
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Solution
The fourth proportional to 212,968,694,334.68, 319,472,679,718.10 and 69,548,474,241.57 is: 104,329,124,548.90
Step by Step Solution
- Step 1: Write the proportion equation
212,968,694,334.68 : 319,472,679,718.10 = 69,548,474,241.57 : x - Step 2: Convert to fraction form
212,968,694,334.68/319,472,679,718.10 = 69,548,474,241.57/x - Step 3: Cross multiply
212,968,694,334.68x = 319,472,679,718.10 × 69,548,474,241.57 - Step 4: Simplify right side
212,968,694,334.68x = 22,218,837,436,259,622,715,392 - Step 5: Solve for x
x = 22,218,837,436,259,622,715,392/212,968,694,334.68 - Step 6: Final answer
x = 104,329,124,548.90
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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.