Finding the Fourth Proportional to 2,091,612,197.20, 3,140,441,604.60 and 1,577,649,701.20
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Solution
The fourth proportional to 2,091,612,197.20, 3,140,441,604.60 and 1,577,649,701.20 is: 2,368,754,956.47
Step by Step Solution
- Step 1: Write the proportion equation
2,091,612,197.20 : 3,140,441,604.60 = 1,577,649,701.20 : x - Step 2: Convert to fraction form
2,091,612,197.20/3,140,441,604.60 = 1,577,649,701.20/x - Step 3: Cross multiply
2,091,612,197.20x = 3,140,441,604.60 × 1,577,649,701.20 - Step 4: Simplify right side
2,091,612,197.20x = 4,954,516,759,133,238,272 - Step 5: Solve for x
x = 4,954,516,759,133,238,272/2,091,612,197.20 - Step 6: Final answer
x = 2,368,754,956.47
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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.