Finding the Fourth Proportional to 893,271,278.14, 1,232,707,560.60 and 491,376,394.94
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Solution
The fourth proportional to 893,271,278.14, 1,232,707,560.60 and 491,376,394.94 is: 678,095,682.65
Step by Step Solution
- Step 1: Write the proportion equation
893,271,278.14 : 1,232,707,560.60 = 491,376,394.94 : x - Step 2: Convert to fraction form
893,271,278.14/1,232,707,560.60 = 491,376,394.94/x - Step 3: Cross multiply
893,271,278.14x = 1,232,707,560.60 × 491,376,394.94 - Step 4: Simplify right side
893,271,278.14x = 605,723,397,142,909,568 - Step 5: Solve for x
x = 605,723,397,142,909,568/893,271,278.14 - Step 6: Final answer
x = 678,095,682.65
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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.