Finding the Fourth Proportional to 445,944,460.74, 615,264,517.23 and 257,704,176.62
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Solution
The fourth proportional to 445,944,460.74, 615,264,517.23 and 257,704,176.62 is: 355,551,531.13
Step by Step Solution
- Step 1: Write the proportion equation
445,944,460.74 : 615,264,517.23 = 257,704,176.62 : x - Step 2: Convert to fraction form
445,944,460.74/615,264,517.23 = 257,704,176.62/x - Step 3: Cross multiply
445,944,460.74x = 615,264,517.23 × 257,704,176.62 - Step 4: Simplify right side
445,944,460.74x = 158,556,235,813,182,656 - Step 5: Solve for x
x = 158,556,235,813,182,656/445,944,460.74 - Step 6: Final answer
x = 355,551,531.13
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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.