Finding the Fourth Proportional to 618,727,624.99, 853,824,575.96 and 340,268,287.39
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Solution
The fourth proportional to 618,727,624.99, 853,824,575.96 and 340,268,287.39 is: 469,559,487.01
Step by Step Solution
- Step 1: Write the proportion equation
618,727,624.99 : 853,824,575.96 = 340,268,287.39 : x - Step 2: Convert to fraction form
618,727,624.99/853,824,575.96 = 340,268,287.39/x - Step 3: Cross multiply
618,727,624.99x = 853,824,575.96 × 340,268,287.39 - Step 4: Simplify right side
618,727,624.99x = 290,529,426,191,700,800 - Step 5: Solve for x
x = 290,529,426,191,700,800/618,727,624.99 - Step 6: Final answer
x = 469,559,487.01
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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.