Finding the Fourth Proportional to 3,742,288,910.26, 5,163,533,066.61 and 2,215,618,986.98
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Solution
The fourth proportional to 3,742,288,910.26, 5,163,533,066.61 and 2,215,618,986.98 is: 3,057,065,388.75
Step by Step Solution
- Step 1: Write the proportion equation
3,742,288,910.26 : 5,163,533,066.61 = 2,215,618,986.98 : x - Step 2: Convert to fraction form
3,742,288,910.26/5,163,533,066.61 = 2,215,618,986.98/x - Step 3: Cross multiply
3,742,288,910.26x = 5,163,533,066.61 × 2,215,618,986.98 - Step 4: Simplify right side
3,742,288,910.26x = 11,440,421,902,264,690,688 - Step 5: Solve for x
x = 11,440,421,902,264,690,688/3,742,288,910.26 - Step 6: Final answer
x = 3,057,065,388.75
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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.