Finding the Fourth Proportional to 914,243,146.62, 1,371,728,092.41 and 292,554,165.21
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Solution
The fourth proportional to 914,243,146.62, 1,371,728,092.41 and 292,554,165.21 is: 438,947,525.56
Step by Step Solution
- Step 1: Write the proportion equation
914,243,146.62 : 1,371,728,092.41 = 292,554,165.21 : x - Step 2: Convert to fraction form
914,243,146.62/1,371,728,092.41 = 292,554,165.21/x - Step 3: Cross multiply
914,243,146.62x = 1,371,728,092.41 × 292,554,165.21 - Step 4: Simplify right side
914,243,146.62x = 401,304,766,970,113,280 - Step 5: Solve for x
x = 401,304,766,970,113,280/914,243,146.62 - Step 6: Final answer
x = 438,947,525.56
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1.5x scale
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.