Finding the Fourth Proportional to 2,917,966,618.01, 4,026,788,609.55 and 1,579,856,543.75
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Solution
The fourth proportional to 2,917,966,618.01, 4,026,788,609.55 and 1,579,856,543.75 is: 2,180,199,148.21
Step by Step Solution
- Step 1: Write the proportion equation
2,917,966,618.01 : 4,026,788,609.55 = 1,579,856,543.75 : x - Step 2: Convert to fraction form
2,917,966,618.01/4,026,788,609.55 = 1,579,856,543.75/x - Step 3: Cross multiply
2,917,966,618.01x = 4,026,788,609.55 × 1,579,856,543.75 - Step 4: Simplify right side
2,917,966,618.01x = 6,361,748,335,095,531,520 - Step 5: Solve for x
x = 6,361,748,335,095,531,520/2,917,966,618.01 - Step 6: Final answer
x = 2,180,199,148.21
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.