Finding the Fourth Proportional to 3,070,145,766.33, 4,236,801,048.95 and 1,660,449,695.13
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Solution
The fourth proportional to 3,070,145,766.33, 4,236,801,048.95 and 1,660,449,695.13 is: 2,291,420,520.55
Step by Step Solution
- Step 1: Write the proportion equation
3,070,145,766.33 : 4,236,801,048.95 = 1,660,449,695.13 : x - Step 2: Convert to fraction form
3,070,145,766.33/4,236,801,048.95 = 1,660,449,695.13/x - Step 3: Cross multiply
3,070,145,766.33x = 4,236,801,048.95 × 1,660,449,695.13 - Step 4: Simplify right side
3,070,145,766.33x = 7,034,995,010,047,190,016 - Step 5: Solve for x
x = 7,034,995,010,047,190,016/3,070,145,766.33 - Step 6: Final answer
x = 2,291,420,520.55
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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.