Finding the Fourth Proportional to 5,378,549,673.30, 8,057,019,793.32 and 2,678,234,802.75
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Solution
The fourth proportional to 5,378,549,673.30, 8,057,019,793.32 and 2,678,234,802.75 is: 4,011,972,023.62
Step by Step Solution
- Step 1: Write the proportion equation
5,378,549,673.30 : 8,057,019,793.32 = 2,678,234,802.75 : x - Step 2: Convert to fraction form
5,378,549,673.30/8,057,019,793.32 = 2,678,234,802.75/x - Step 3: Cross multiply
5,378,549,673.30x = 8,057,019,793.32 × 2,678,234,802.75 - Step 4: Simplify right side
5,378,549,673.30x = 21,578,590,816,915,234,816 - Step 5: Solve for x
x = 21,578,590,816,915,234,816/5,378,549,673.30 - Step 6: Final answer
x = 4,011,972,023.62
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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.