Finding the Fourth Proportional to 2,129,759,350.80, 3,194,639,026.20 and 1,771,441,270.80
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Solution
The fourth proportional to 2,129,759,350.80, 3,194,639,026.20 and 1,771,441,270.80 is: 2,657,161,906.20
Step by Step Solution
- Step 1: Write the proportion equation
2,129,759,350.80 : 3,194,639,026.20 = 1,771,441,270.80 : x - Step 2: Convert to fraction form
2,129,759,350.80/3,194,639,026.20 = 1,771,441,270.80/x - Step 3: Cross multiply
2,129,759,350.80x = 3,194,639,026.20 × 1,771,441,270.80 - Step 4: Simplify right side
2,129,759,350.80x = 5,659,115,416,319,001,600 - Step 5: Solve for x
x = 5,659,115,416,319,001,600/2,129,759,350.80 - Step 6: Final answer
x = 2,657,161,906.20
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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.