Finding the Fourth Proportional to 1,479,168,175.20, 2,218,752,262.80 and 1,049,186,479.20
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Solution
The fourth proportional to 1,479,168,175.20, 2,218,752,262.80 and 1,049,186,479.20 is: 1,573,779,718.80
Step by Step Solution
- Step 1: Write the proportion equation
1,479,168,175.20 : 2,218,752,262.80 = 1,049,186,479.20 : x - Step 2: Convert to fraction form
1,479,168,175.20/2,218,752,262.80 = 1,049,186,479.20/x - Step 3: Cross multiply
1,479,168,175.20x = 2,218,752,262.80 × 1,049,186,479.20 - Step 4: Simplify right side
1,479,168,175.20x = 2,327,884,874,824,165,376 - Step 5: Solve for x
x = 2,327,884,874,824,165,376/1,479,168,175.20 - Step 6: Final answer
x = 1,573,779,718.80
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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.