Finding the Fourth Proportional to 3,957,908,265.60, 5,937,534,244.80 and 1,197,515,356.80
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Solution
The fourth proportional to 3,957,908,265.60, 5,937,534,244.80 and 1,197,515,356.80 is: 1,796,476,310.85
Step by Step Solution
- Step 1: Write the proportion equation
3,957,908,265.60 : 5,937,534,244.80 = 1,197,515,356.80 : x - Step 2: Convert to fraction form
3,957,908,265.60/5,937,534,244.80 = 1,197,515,356.80/x - Step 3: Cross multiply
3,957,908,265.60x = 5,937,534,244.80 × 1,197,515,356.80 - Step 4: Simplify right side
3,957,908,265.60x = 7,110,288,439,673,890,816 - Step 5: Solve for x
x = 7,110,288,439,673,890,816/3,957,908,265.60 - Step 6: Final answer
x = 1,796,476,310.85
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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.