Finding the Fourth Proportional to 3,678,527,998.80, 5,517,791,998.20 and 3,279,451,237.20
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Solution
The fourth proportional to 3,678,527,998.80, 5,517,791,998.20 and 3,279,451,237.20 is: 4,919,176,855.80
Step by Step Solution
- Step 1: Write the proportion equation
3,678,527,998.80 : 5,517,791,998.20 = 3,279,451,237.20 : x - Step 2: Convert to fraction form
3,678,527,998.80/5,517,791,998.20 = 3,279,451,237.20/x - Step 3: Cross multiply
3,678,527,998.80x = 5,517,791,998.20 × 3,279,451,237.20 - Step 4: Simplify right side
3,678,527,998.80x = 18,095,329,795,109,249,024 - Step 5: Solve for x
x = 18,095,329,795,109,249,024/3,678,527,998.80 - Step 6: Final answer
x = 4,919,176,855.80
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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.