Finding the Fourth Proportional to 466,248,651.39, 643,419,807.62 and 254,555,475.39
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Solution
The fourth proportional to 466,248,651.39, 643,419,807.62 and 254,555,475.39 is: 351,284,737.26
Step by Step Solution
- Step 1: Write the proportion equation
466,248,651.39 : 643,419,807.62 = 254,555,475.39 : x - Step 2: Convert to fraction form
466,248,651.39/643,419,807.62 = 254,555,475.39/x - Step 3: Cross multiply
466,248,651.39x = 643,419,807.62 × 254,555,475.39 - Step 4: Simplify right side
466,248,651.39x = 163,786,035,002,778,656 - Step 5: Solve for x
x = 163,786,035,002,778,656/466,248,651.39 - Step 6: Final answer
x = 351,284,737.26
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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.