Finding the Fourth Proportional to 6,355,628,189.84, 8,770,629,467.40 and 3,679,521,211.28
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Solution
The fourth proportional to 6,355,628,189.84, 8,770,629,467.40 and 3,679,521,211.28 is: 5,077,659,705.32
Step by Step Solution
- Step 1: Write the proportion equation
6,355,628,189.84 : 8,770,629,467.40 = 3,679,521,211.28 : x - Step 2: Convert to fraction form
6,355,628,189.84/8,770,629,467.40 = 3,679,521,211.28/x - Step 3: Cross multiply
6,355,628,189.84x = 8,770,629,467.40 × 3,679,521,211.28 - Step 4: Simplify right side
6,355,628,189.84x = 32,271,717,161,575,710,720 - Step 5: Solve for x
x = 32,271,717,161,575,710,720/6,355,628,189.84 - Step 6: Final answer
x = 5,077,659,705.32
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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.