Finding the Fourth Proportional to 478,308,659,527.62, 717,463,679,805.84 and 195,327,502,858.73
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Solution
The fourth proportional to 478,308,659,527.62, 717,463,679,805.84 and 195,327,502,858.73 is: 292,991,536,274.32
Step by Step Solution
- Step 1: Write the proportion equation
478,308,659,527.62 : 717,463,679,805.84 = 195,327,502,858.73 : x - Step 2: Convert to fraction form
478,308,659,527.62/717,463,679,805.84 = 195,327,502,858.73/x - Step 3: Cross multiply
478,308,659,527.62x = 717,463,679,805.84 × 195,327,502,858.73 - Step 4: Simplify right side
478,308,659,527.62x = 140,140,388,968,310,157,344,768 - Step 5: Solve for x
x = 140,140,388,968,310,157,344,768/478,308,659,527.62 - Step 6: Final answer
x = 292,991,536,274.32
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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.