Finding the Fourth Proportional to 1,790,678,997.57, 2,686,046,335.88 and 530,270,612.84
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Solution
The fourth proportional to 1,790,678,997.57, 2,686,046,335.88 and 530,270,612.84 is: 795,414,163.33
Step by Step Solution
- Step 1: Write the proportion equation
1,790,678,997.57 : 2,686,046,335.88 = 530,270,612.84 : x - Step 2: Convert to fraction form
1,790,678,997.57/2,686,046,335.88 = 530,270,612.84/x - Step 3: Cross multiply
1,790,678,997.57x = 2,686,046,335.88 × 530,270,612.84 - Step 4: Simplify right side
1,790,678,997.57x = 1,424,331,436,643,724,032 - Step 5: Solve for x
x = 1,424,331,436,643,724,032/1,790,678,997.57 - Step 6: Final answer
x = 795,414,163.33
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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.