Finding the Fourth Proportional to 7,218,882,070.80, 10,820,680,623.42 and 2,428,224,260.98
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Solution
The fourth proportional to 7,218,882,070.80, 10,820,680,623.42 and 2,428,224,260.98 is: 3,639,765,680.12
Step by Step Solution
- Step 1: Write the proportion equation
7,218,882,070.80 : 10,820,680,623.42 = 2,428,224,260.98 : x - Step 2: Convert to fraction form
7,218,882,070.80/10,820,680,623.42 = 2,428,224,260.98/x - Step 3: Cross multiply
7,218,882,070.80x = 10,820,680,623.42 × 2,428,224,260.98 - Step 4: Simplify right side
7,218,882,070.80x = 26,275,039,210,149,527,552 - Step 5: Solve for x
x = 26,275,039,210,149,527,552/7,218,882,070.80 - Step 6: Final answer
x = 3,639,765,680.12
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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.