Finding the Fourth Proportional to 5,669,739,178.48, 8,505,017,398.74 and 2,176,144,651.72
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Solution
The fourth proportional to 5,669,739,178.48, 8,505,017,398.74 and 2,176,144,651.72 is: 3,264,373,817.28
Step by Step Solution
- Step 1: Write the proportion equation
5,669,739,178.48 : 8,505,017,398.74 = 2,176,144,651.72 : x - Step 2: Convert to fraction form
5,669,739,178.48/8,505,017,398.74 = 2,176,144,651.72/x - Step 3: Cross multiply
5,669,739,178.48x = 8,505,017,398.74 × 2,176,144,651.72 - Step 4: Simplify right side
5,669,739,178.48x = 18,508,148,125,053,595,648 - Step 5: Solve for x
x = 18,508,148,125,053,595,648/5,669,739,178.48 - Step 6: Final answer
x = 3,264,373,817.28
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1.5x scale
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.