Finding the Fourth Proportional to 605,029,713.86, 835,327,191.12 and 493,786,318.62
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Solution
The fourth proportional to 605,029,713.86, 835,327,191.12 and 493,786,318.62 is: 681,740,299.85
Step by Step Solution
- Step 1: Write the proportion equation
605,029,713.86 : 835,327,191.12 = 493,786,318.62 : x - Step 2: Convert to fraction form
605,029,713.86/835,327,191.12 = 493,786,318.62/x - Step 3: Cross multiply
605,029,713.86x = 835,327,191.12 × 493,786,318.62 - Step 4: Simplify right side
605,029,713.86x = 412,473,138,546,329,984 - Step 5: Solve for x
x = 412,473,138,546,329,984/605,029,713.86 - Step 6: Final answer
x = 681,740,299.85
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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.