Finding the Fourth Proportional to 3,660,552,245.70, 5,490,828,368.55 and 1,173,408,365.70
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Solution
The fourth proportional to 3,660,552,245.70, 5,490,828,368.55 and 1,173,408,365.70 is: 1,760,112,548.55
Step by Step Solution
- Step 1: Write the proportion equation
3,660,552,245.70 : 5,490,828,368.55 = 1,173,408,365.70 : x - Step 2: Convert to fraction form
3,660,552,245.70/5,490,828,368.55 = 1,173,408,365.70/x - Step 3: Cross multiply
3,660,552,245.70x = 5,490,828,368.55 × 1,173,408,365.70 - Step 4: Simplify right side
3,660,552,245.70x = 6,442,983,942,279,453,696 - Step 5: Solve for x
x = 6,442,983,942,279,453,696/3,660,552,245.70 - Step 6: Final answer
x = 1,760,112,548.55
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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.