Finding the Fourth Proportional to 474,107,331.06, 711,406,207.08 and 344,022,105.42
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Solution
The fourth proportional to 474,107,331.06, 711,406,207.08 and 344,022,105.42 is: 516,211,087.94
Step by Step Solution
- Step 1: Write the proportion equation
474,107,331.06 : 711,406,207.08 = 344,022,105.42 : x - Step 2: Convert to fraction form
474,107,331.06/711,406,207.08 = 344,022,105.42/x - Step 3: Cross multiply
474,107,331.06x = 711,406,207.08 × 344,022,105.42 - Step 4: Simplify right side
474,107,331.06x = 244,739,461,168,518,144 - Step 5: Solve for x
x = 244,739,461,168,518,144/474,107,331.06 - Step 6: Final answer
x = 516,211,087.94
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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.