Finding the Fourth Proportional to 2,592,868,860.68, 3,578,159,202.72 and 1,419,447,132.68
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Solution
The fourth proportional to 2,592,868,860.68, 3,578,159,202.72 and 1,419,447,132.68 is: 1,958,837,138.89
Step by Step Solution
- Step 1: Write the proportion equation
2,592,868,860.68 : 3,578,159,202.72 = 1,419,447,132.68 : x - Step 2: Convert to fraction form
2,592,868,860.68/3,578,159,202.72 = 1,419,447,132.68/x - Step 3: Cross multiply
2,592,868,860.68x = 3,578,159,202.72 × 1,419,447,132.68 - Step 4: Simplify right side
2,592,868,860.68x = 5,079,007,820,573,458,432 - Step 5: Solve for x
x = 5,079,007,820,573,458,432/2,592,868,860.68 - Step 6: Final answer
x = 1,958,837,138.89
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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.