Finding the Fourth Proportional to 2,379,456,328.70, 3,569,184,493.05 and 2,218,213,192.70
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Solution
The fourth proportional to 2,379,456,328.70, 3,569,184,493.05 and 2,218,213,192.70 is: 3,327,319,789.05
Step by Step Solution
- Step 1: Write the proportion equation
2,379,456,328.70 : 3,569,184,493.05 = 2,218,213,192.70 : x - Step 2: Convert to fraction form
2,379,456,328.70/3,569,184,493.05 = 2,218,213,192.70/x - Step 3: Cross multiply
2,379,456,328.70x = 3,569,184,493.05 × 2,218,213,192.70 - Step 4: Simplify right side
2,379,456,328.70x = 7,917,212,129,663,771,648 - Step 5: Solve for x
x = 7,917,212,129,663,771,648/2,379,456,328.70 - Step 6: Final answer
x = 3,327,319,789.05
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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.