Finding the Fourth Proportional to 914,243,145.12, 1,371,728,090.16 and 292,554,163.71
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Solution
The fourth proportional to 914,243,145.12, 1,371,728,090.16 and 292,554,163.71 is: 438,947,523.31
Step by Step Solution
- Step 1: Write the proportion equation
914,243,145.12 : 1,371,728,090.16 = 292,554,163.71 : x - Step 2: Convert to fraction form
914,243,145.12/1,371,728,090.16 = 292,554,163.71/x - Step 3: Cross multiply
914,243,145.12x = 1,371,728,090.16 × 292,554,163.71 - Step 4: Simplify right side
914,243,145.12x = 401,304,764,254,274,304 - Step 5: Solve for x
x = 401,304,764,254,274,304/914,243,145.12 - Step 6: Final answer
x = 438,947,523.31
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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.