Finding the Fourth Proportional to 529,233,396.12, 730,433,501.87 and 306,337,975.79
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Solution
The fourth proportional to 529,233,396.12, 730,433,501.87 and 306,337,975.79 is: 422,799,320.77
Step by Step Solution
- Step 1: Write the proportion equation
529,233,396.12 : 730,433,501.87 = 306,337,975.79 : x - Step 2: Convert to fraction form
529,233,396.12/730,433,501.87 = 306,337,975.79/x - Step 3: Cross multiply
529,233,396.12x = 730,433,501.87 × 306,337,975.79 - Step 4: Simplify right side
529,233,396.12x = 223,759,520,406,873,152 - Step 5: Solve for x
x = 223,759,520,406,873,152/529,233,396.12 - Step 6: Final answer
x = 422,799,320.77
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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.