Finding the Fourth Proportional to 7,359,381,566.40, 11,039,072,349.60 and 4,420,725,412.80
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Solution
The fourth proportional to 7,359,381,566.40, 11,039,072,349.60 and 4,420,725,412.80 is: 6,631,088,119.20
Step by Step Solution
- Step 1: Write the proportion equation
7,359,381,566.40 : 11,039,072,349.60 = 4,420,725,412.80 : x - Step 2: Convert to fraction form
7,359,381,566.40/11,039,072,349.60 = 4,420,725,412.80/x - Step 3: Cross multiply
7,359,381,566.40x = 11,039,072,349.60 × 4,420,725,412.80 - Step 4: Simplify right side
7,359,381,566.40x = 48,800,707,669,614,526,464 - Step 5: Solve for x
x = 48,800,707,669,614,526,464/7,359,381,566.40 - Step 6: Final answer
x = 6,631,088,119.20
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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.