Finding the Fourth Proportional to 1,872,088,694.80, 2,808,133,042.20 and 1,327,893,110.80
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Solution
The fourth proportional to 1,872,088,694.80, 2,808,133,042.20 and 1,327,893,110.80 is: 1,991,839,666.20
Step by Step Solution
- Step 1: Write the proportion equation
1,872,088,694.80 : 2,808,133,042.20 = 1,327,893,110.80 : x - Step 2: Convert to fraction form
1,872,088,694.80/2,808,133,042.20 = 1,327,893,110.80/x - Step 3: Cross multiply
1,872,088,694.80x = 2,808,133,042.20 × 1,327,893,110.80 - Step 4: Simplify right side
1,872,088,694.80x = 3,728,900,520,947,225,088 - Step 5: Solve for x
x = 3,728,900,520,947,225,088/1,872,088,694.80 - Step 6: Final answer
x = 1,991,839,666.20
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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.