Finding the Fourth Proportional to 3,103,172,194.20, 4,654,746,044.10 and 922,138,330.20
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Solution
The fourth proportional to 3,103,172,194.20, 4,654,746,044.10 and 922,138,330.20 is: 1,383,203,855.92
Step by Step Solution
- Step 1: Write the proportion equation
3,103,172,194.20 : 4,654,746,044.10 = 922,138,330.20 : x - Step 2: Convert to fraction form
3,103,172,194.20/4,654,746,044.10 = 922,138,330.20/x - Step 3: Cross multiply
3,103,172,194.20x = 4,654,746,044.10 × 922,138,330.20 - Step 4: Simplify right side
3,103,172,194.20x = 4,292,319,744,611,429,888 - Step 5: Solve for x
x = 4,292,319,744,611,429,888/3,103,172,194.20 - Step 6: Final answer
x = 1,383,203,855.92
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1.5x scale
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.