Finding the Fourth Proportional to 3,975,486,841.08, 5,963,179,182.98 and 1,320,763,608.36
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Solution
The fourth proportional to 3,975,486,841.08, 5,963,179,182.98 and 1,320,763,608.36 is: 1,981,128,442.84
Step by Step Solution
- Step 1: Write the proportion equation
3,975,486,841.08 : 5,963,179,182.98 = 1,320,763,608.36 : x - Step 2: Convert to fraction form
3,975,486,841.08/5,963,179,182.98 = 1,320,763,608.36/x - Step 3: Cross multiply
3,975,486,841.08x = 5,963,179,182.98 × 1,320,763,608.36 - Step 4: Simplify right side
3,975,486,841.08x = 7,875,950,055,003,297,792 - Step 5: Solve for x
x = 7,875,950,055,003,297,792/3,975,486,841.08 - Step 6: Final answer
x = 1,981,128,442.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.