Finding the Fourth Proportional to 2,888,946,044.68, 3,987,965,955.90 and 1,950,419,926.48
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Solution
The fourth proportional to 2,888,946,044.68, 3,987,965,955.90 and 1,950,419,926.48 is: 2,692,403,439.25
Step by Step Solution
- Step 1: Write the proportion equation
2,888,946,044.68 : 3,987,965,955.90 = 1,950,419,926.48 : x - Step 2: Convert to fraction form
2,888,946,044.68/3,987,965,955.90 = 1,950,419,926.48/x - Step 3: Cross multiply
2,888,946,044.68x = 3,987,965,955.90 × 1,950,419,926.48 - Step 4: Simplify right side
2,888,946,044.68x = 7,778,208,266,511,220,736 - Step 5: Solve for x
x = 7,778,208,266,511,220,736/2,888,946,044.68 - Step 6: Final answer
x = 2,692,403,439.25
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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.