Finding the Fourth Proportional to 1,568,190,419.06, 2,164,024,935.56 and 863,327,266.84
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Solution
The fourth proportional to 1,568,190,419.06, 2,164,024,935.56 and 863,327,266.84 is: 1,191,348,773.90
Step by Step Solution
- Step 1: Write the proportion equation
1,568,190,419.06 : 2,164,024,935.56 = 863,327,266.84 : x - Step 2: Convert to fraction form
1,568,190,419.06/2,164,024,935.56 = 863,327,266.84/x - Step 3: Cross multiply
1,568,190,419.06x = 2,164,024,935.56 × 863,327,266.84 - Step 4: Simplify right side
1,568,190,419.06x = 1,868,261,732,990,621,952 - Step 5: Solve for x
x = 1,868,261,732,990,621,952/1,568,190,419.06 - Step 6: Final answer
x = 1,191,348,773.90
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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.