Finding the Fourth Proportional to 3,478,724,403.05, 5,218,086,604.58 and 1,181,009,715.05
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Solution
The fourth proportional to 3,478,724,403.05, 5,218,086,604.58 and 1,181,009,715.05 is: 1,771,514,572.58
Step by Step Solution
- Step 1: Write the proportion equation
3,478,724,403.05 : 5,218,086,604.58 = 1,181,009,715.05 : x - Step 2: Convert to fraction form
3,478,724,403.05/5,218,086,604.58 = 1,181,009,715.05/x - Step 3: Cross multiply
3,478,724,403.05x = 5,218,086,604.58 × 1,181,009,715.05 - Step 4: Simplify right side
3,478,724,403.05x = 6,162,610,973,975,342,080 - Step 5: Solve for x
x = 6,162,610,973,975,342,080/3,478,724,403.05 - Step 6: Final answer
x = 1,771,514,572.58
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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.