Finding the Fourth Proportional to 774,268,542.52, 1,161,403,924.59 and 591,076,145.99
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Solution
The fourth proportional to 774,268,542.52, 1,161,403,924.59 and 591,076,145.99 is: 886,615,066.98
Step by Step Solution
- Step 1: Write the proportion equation
774,268,542.52 : 1,161,403,924.59 = 591,076,145.99 : x - Step 2: Convert to fraction form
774,268,542.52/1,161,403,924.59 = 591,076,145.99/x - Step 3: Cross multiply
774,268,542.52x = 1,161,403,924.59 × 591,076,145.99 - Step 4: Simplify right side
774,268,542.52x = 686,478,155,687,221,248 - Step 5: Solve for x
x = 686,478,155,687,221,248/774,268,542.52 - Step 6: Final answer
x = 886,615,066.98
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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.