Finding the Fourth Proportional to 884,997,757.68, 1,221,325,811.76 and 483,132,934.56
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Solution
The fourth proportional to 884,997,757.68, 1,221,325,811.76 and 483,132,934.56 is: 666,739,229.98
Step by Step Solution
- Step 1: Write the proportion equation
884,997,757.68 : 1,221,325,811.76 = 483,132,934.56 : x - Step 2: Convert to fraction form
884,997,757.68/1,221,325,811.76 = 483,132,934.56/x - Step 3: Cross multiply
884,997,757.68x = 1,221,325,811.76 × 483,132,934.56 - Step 4: Simplify right side
884,997,757.68x = 590,062,723,489,483,008 - Step 5: Solve for x
x = 590,062,723,489,483,008/884,997,757.68 - Step 6: Final answer
x = 666,739,229.98
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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.