Finding the Fourth Proportional to 880,958,902.82, 1,215,379,219.64 and 504,414,267.62
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Solution
The fourth proportional to 880,958,902.82, 1,215,379,219.64 and 504,414,267.62 is: 695,894,685.88
Step by Step Solution
- Step 1: Write the proportion equation
880,958,902.82 : 1,215,379,219.64 = 504,414,267.62 : x - Step 2: Convert to fraction form
880,958,902.82/1,215,379,219.64 = 504,414,267.62/x - Step 3: Cross multiply
880,958,902.82x = 1,215,379,219.64 × 504,414,267.62 - Step 4: Simplify right side
880,958,902.82x = 613,054,618,946,678,784 - Step 5: Solve for x
x = 613,054,618,946,678,784/880,958,902.82 - Step 6: Final answer
x = 695,894,685.88
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.