Finding the Fourth Proportional to 8,486,986,001.08, 11,711,512,966.82 and 4,676,295,701.79
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Solution
The fourth proportional to 8,486,986,001.08, 11,711,512,966.82 and 4,676,295,701.79 is: 6,452,997,299.78
Step by Step Solution
- Step 1: Write the proportion equation
8,486,986,001.08 : 11,711,512,966.82 = 4,676,295,701.79 : x - Step 2: Convert to fraction form
8,486,986,001.08/11,711,512,966.82 = 4,676,295,701.79/x - Step 3: Cross multiply
8,486,986,001.08x = 11,711,512,966.82 × 4,676,295,701.79 - Step 4: Simplify right side
8,486,986,001.08x = 54,766,497,748,233,355,264 - Step 5: Solve for x
x = 54,766,497,748,233,355,264/8,486,986,001.08 - Step 6: Final answer
x = 6,452,997,299.78
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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.