Finding the Fourth Proportional to 667,764,117.80, 1,001,646,176.70 and 495,577,233.80
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Solution
The fourth proportional to 667,764,117.80, 1,001,646,176.70 and 495,577,233.80 is: 743,365,850.70
Step by Step Solution
- Step 1: Write the proportion equation
667,764,117.80 : 1,001,646,176.70 = 495,577,233.80 : x - Step 2: Convert to fraction form
667,764,117.80/1,001,646,176.70 = 495,577,233.80/x - Step 3: Cross multiply
667,764,117.80x = 1,001,646,176.70 × 495,577,233.80 - Step 4: Simplify right side
667,764,117.80x = 496,393,041,495,332,032 - Step 5: Solve for x
x = 496,393,041,495,332,032/667,764,117.80 - Step 6: Final answer
x = 743,365,850.70
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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.