Finding the Fourth Proportional to 6,705,831,015.12, 9,254,244,198.75 and 3,695,277,646.05
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Solution
The fourth proportional to 6,705,831,015.12, 9,254,244,198.75 and 3,695,277,646.05 is: 5,099,591,928.52
Step by Step Solution
- Step 1: Write the proportion equation
6,705,831,015.12 : 9,254,244,198.75 = 3,695,277,646.05 : x - Step 2: Convert to fraction form
6,705,831,015.12/9,254,244,198.75 = 3,695,277,646.05/x - Step 3: Cross multiply
6,705,831,015.12x = 9,254,244,198.75 × 3,695,277,646.05 - Step 4: Simplify right side
6,705,831,015.12x = 34,197,001,718,728,769,536 - Step 5: Solve for x
x = 34,197,001,718,728,769,536/6,705,831,015.12 - Step 6: Final answer
x = 5,099,591,928.52
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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.