Finding the Fourth Proportional to 3,129,124,680,663.80, 4,693,687,020,995.70 and 895,746,003,927.80
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Solution
The fourth proportional to 3,129,124,680,663.80, 4,693,687,020,995.70 and 895,746,003,927.80 is: 1,343,619,005,891.70
Step by Step Solution
- Step 1: Write the proportion equation
3,129,124,680,663.80 : 4,693,687,020,995.70 = 895,746,003,927.80 : x - Step 2: Convert to fraction form
3,129,124,680,663.80/4,693,687,020,995.70 = 895,746,003,927.80/x - Step 3: Cross multiply
3,129,124,680,663.80x = 4,693,687,020,995.70 × 895,746,003,927.80 - Step 4: Simplify right side
3,129,124,680,663.80x = 4,204,351,392,744,678,650,544,128 - Step 5: Solve for x
x = 4,204,351,392,744,678,650,544,128/3,129,124,680,663.80 - Step 6: Final answer
x = 1,343,619,005,891.70
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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.