Finding the Fourth Proportional to 284,290,026,943.99, 392,091,480,365.47 and 249,922,250,560.62
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Solution
The fourth proportional to 284,290,026,943.99, 392,091,480,365.47 and 249,922,250,560.62 is: 344,691,603,331.87
Step by Step Solution
- Step 1: Write the proportion equation
284,290,026,943.99 : 392,091,480,365.47 = 249,922,250,560.62 : x - Step 2: Convert to fraction form
284,290,026,943.99/392,091,480,365.47 = 249,922,250,560.62/x - Step 3: Cross multiply
284,290,026,943.99x = 392,091,480,365.47 × 249,922,250,560.62 - Step 4: Simplify right side
284,290,026,943.99x = 97,992,385,198,583,405,608,960 - Step 5: Solve for x
x = 97,992,385,198,583,405,608,960/284,290,026,943.99 - Step 6: Final answer
x = 344,691,603,331.87
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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.