Finding the Fourth Proportional to 2,070,387,487.80, 3,105,581,231.70 and 1,879,284,511.80
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Solution
The fourth proportional to 2,070,387,487.80, 3,105,581,231.70 and 1,879,284,511.80 is: 2,818,926,767.70
Step by Step Solution
- Step 1: Write the proportion equation
2,070,387,487.80 : 3,105,581,231.70 = 1,879,284,511.80 : x - Step 2: Convert to fraction form
2,070,387,487.80/3,105,581,231.70 = 1,879,284,511.80/x - Step 3: Cross multiply
2,070,387,487.80x = 3,105,581,231.70 × 1,879,284,511.80 - Step 4: Simplify right side
2,070,387,487.80x = 5,836,270,708,870,577,152 - Step 5: Solve for x
x = 5,836,270,708,870,577,152/2,070,387,487.80 - Step 6: Final answer
x = 2,818,926,767.70
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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.