Finding the Fourth Proportional to 714,959,230.08, 986,655,536.24 and 393,100,796.19
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Solution
The fourth proportional to 714,959,230.08, 986,655,536.24 and 393,100,796.19 is: 542,485,585.95
Step by Step Solution
- Step 1: Write the proportion equation
714,959,230.08 : 986,655,536.24 = 393,100,796.19 : x - Step 2: Convert to fraction form
714,959,230.08/986,655,536.24 = 393,100,796.19/x - Step 3: Cross multiply
714,959,230.08x = 986,655,536.24 × 393,100,796.19 - Step 4: Simplify right side
714,959,230.08x = 387,855,076,862,198,144 - Step 5: Solve for x
x = 387,855,076,862,198,144/714,959,230.08 - Step 6: Final answer
x = 542,485,585.95
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1.5x scale
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.