Finding the Fourth Proportional to 3,910,382,430.20, 5,872,376,090.10 and 2,073,722,334.20
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Solution
The fourth proportional to 3,910,382,430.20, 5,872,376,090.10 and 2,073,722,334.20 is: 3,114,190,918.72
Step by Step Solution
- Step 1: Write the proportion equation
3,910,382,430.20 : 5,872,376,090.10 = 2,073,722,334.20 : x - Step 2: Convert to fraction form
3,910,382,430.20/5,872,376,090.10 = 2,073,722,334.20/x - Step 3: Cross multiply
3,910,382,430.20x = 5,872,376,090.10 × 2,073,722,334.20 - Step 4: Simplify right side
3,910,382,430.20x = 12,177,677,452,862,443,520 - Step 5: Solve for x
x = 12,177,677,452,862,443,520/3,910,382,430.20 - Step 6: Final answer
x = 3,114,190,918.72
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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.