Finding the Fourth Proportional to 3,587,240,264.80, 5,380,860,397.20 and 2,657,431,091.20
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Solution
The fourth proportional to 3,587,240,264.80, 5,380,860,397.20 and 2,657,431,091.20 is: 3,986,146,636.80
Step by Step Solution
- Step 1: Write the proportion equation
3,587,240,264.80 : 5,380,860,397.20 = 2,657,431,091.20 : x - Step 2: Convert to fraction form
3,587,240,264.80/5,380,860,397.20 = 2,657,431,091.20/x - Step 3: Cross multiply
3,587,240,264.80x = 5,380,860,397.20 × 2,657,431,091.20 - Step 4: Simplify right side
3,587,240,264.80x = 14,299,265,716,926,060,544 - Step 5: Solve for x
x = 14,299,265,716,926,060,544/3,587,240,264.80 - Step 6: Final answer
x = 3,986,146,636.80
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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.