Finding the Fourth Proportional to 5,643,271,507.19, 8,459,315,893.66 and 2,649,976,302.82
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Solution
The fourth proportional to 5,643,271,507.19, 8,459,315,893.66 and 2,649,976,302.82 is: 3,972,338,851.27
Step by Step Solution
- Step 1: Write the proportion equation
5,643,271,507.19 : 8,459,315,893.66 = 2,649,976,302.82 : x - Step 2: Convert to fraction form
5,643,271,507.19/8,459,315,893.66 = 2,649,976,302.82/x - Step 3: Cross multiply
5,643,271,507.19x = 8,459,315,893.66 × 2,649,976,302.82 - Step 4: Simplify right side
5,643,271,507.19x = 22,416,986,656,259,866,624 - Step 5: Solve for x
x = 22,416,986,656,259,866,624/5,643,271,507.19 - Step 6: Final answer
x = 3,972,338,851.27
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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.