Finding the Fourth Proportional to 2,639,275,176.54, 3,642,136,215.99 and 1,465,854,381.66
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Solution
The fourth proportional to 2,639,275,176.54, 3,642,136,215.99 and 1,465,854,381.66 is: 2,022,843,763.42
Step by Step Solution
- Step 1: Write the proportion equation
2,639,275,176.54 : 3,642,136,215.99 = 1,465,854,381.66 : x - Step 2: Convert to fraction form
2,639,275,176.54/3,642,136,215.99 = 1,465,854,381.66/x - Step 3: Cross multiply
2,639,275,176.54x = 3,642,136,215.99 × 1,465,854,381.66 - Step 4: Simplify right side
2,639,275,176.54x = 5,338,841,330,811,513,856 - Step 5: Solve for x
x = 5,338,841,330,811,513,856/2,639,275,176.54 - Step 6: Final answer
x = 2,022,843,763.42
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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.