Finding the Fourth Proportional to 5,399,354,052.91, 7,451,119,530.71 and 3,020,531,715.81
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Solution
The fourth proportional to 5,399,354,052.91, 7,451,119,530.71 and 3,020,531,715.81 is: 4,168,339,886.63
Step by Step Solution
- Step 1: Write the proportion equation
5,399,354,052.91 : 7,451,119,530.71 = 3,020,531,715.81 : x - Step 2: Convert to fraction form
5,399,354,052.91/7,451,119,530.71 = 3,020,531,715.81/x - Step 3: Cross multiply
5,399,354,052.91x = 7,451,119,530.71 × 3,020,531,715.81 - Step 4: Simplify right side
5,399,354,052.91x = 22,506,342,860,796,649,472 - Step 5: Solve for x
x = 22,506,342,860,796,649,472/5,399,354,052.91 - Step 6: Final answer
x = 4,168,339,886.63
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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.