Finding the Fourth Proportional to 305,209,124.10, 457,813,686.15 and 293,304,845.70
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Solution
The fourth proportional to 305,209,124.10, 457,813,686.15 and 293,304,845.70 is: 439,957,268.55
Step by Step Solution
- Step 1: Write the proportion equation
305,209,124.10 : 457,813,686.15 = 293,304,845.70 : x - Step 2: Convert to fraction form
305,209,124.10/457,813,686.15 = 293,304,845.70/x - Step 3: Cross multiply
305,209,124.10x = 457,813,686.15 × 293,304,845.70 - Step 4: Simplify right side
305,209,124.10x = 134,278,972,575,573,968 - Step 5: Solve for x
x = 134,278,972,575,573,968/305,209,124.10 - Step 6: Final answer
x = 439,957,268.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.