Finding the Fourth Proportional to 578,344,645.10, 798,107,445.56 and 327,442,566.98
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Solution
The fourth proportional to 578,344,645.10, 798,107,445.56 and 327,442,566.98 is: 451,866,119.82
Step by Step Solution
- Step 1: Write the proportion equation
578,344,645.10 : 798,107,445.56 = 327,442,566.98 : x - Step 2: Convert to fraction form
578,344,645.10/798,107,445.56 = 327,442,566.98/x - Step 3: Cross multiply
578,344,645.10x = 798,107,445.56 × 327,442,566.98 - Step 4: Simplify right side
578,344,645.10x = 261,334,350,700,016,992 - Step 5: Solve for x
x = 261,334,350,700,016,992/578,344,645.10 - Step 6: Final answer
x = 451,866,119.82
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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.