Finding the Fourth Proportional to 2,566,617,999.80, 3,849,926,999.70 and 627,921,231.80
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Solution
The fourth proportional to 2,566,617,999.80, 3,849,926,999.70 and 627,921,231.80 is: 941,881,847.70
Step by Step Solution
- Step 1: Write the proportion equation
2,566,617,999.80 : 3,849,926,999.70 = 627,921,231.80 : x - Step 2: Convert to fraction form
2,566,617,999.80/3,849,926,999.70 = 627,921,231.80/x - Step 3: Cross multiply
2,566,617,999.80x = 3,849,926,999.70 × 627,921,231.80 - Step 4: Simplify right side
2,566,617,999.80x = 2,417,450,903,991,702,016 - Step 5: Solve for x
x = 2,417,450,903,991,702,016/2,566,617,999.80 - Step 6: Final answer
x = 941,881,847.70
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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.