Finding the Fourth Proportional to 1,053,705,033.49, 1,580,560,244.79 and 266,758,770.64
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Solution
The fourth proportional to 1,053,705,033.49, 1,580,560,244.79 and 266,758,770.64 is: 400,138,838.12
Step by Step Solution
- Step 1: Write the proportion equation
1,053,705,033.49 : 1,580,560,244.79 = 266,758,770.64 : x - Step 2: Convert to fraction form
1,053,705,033.49/1,580,560,244.79 = 266,758,770.64/x - Step 3: Cross multiply
1,053,705,033.49x = 1,580,560,244.79 × 266,758,770.64 - Step 4: Simplify right side
1,053,705,033.49x = 421,628,307,822,637,824 - Step 5: Solve for x
x = 421,628,307,822,637,824/1,053,705,033.49 - Step 6: Final answer
x = 400,138,838.12
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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.