Finding the Fourth Proportional to 419,052,489.14, 578,201,231.85 and 254,080,605.62
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Solution
The fourth proportional to 419,052,489.14, 578,201,231.85 and 254,080,605.62 is: 350,575,937.30
Step by Step Solution
- Step 1: Write the proportion equation
419,052,489.14 : 578,201,231.85 = 254,080,605.62 : x - Step 2: Convert to fraction form
419,052,489.14/578,201,231.85 = 254,080,605.62/x - Step 3: Cross multiply
419,052,489.14x = 578,201,231.85 × 254,080,605.62 - Step 4: Simplify right side
419,052,489.14x = 146,909,719,155,787,040 - Step 5: Solve for x
x = 146,909,719,155,787,040/419,052,489.14 - Step 6: Final answer
x = 350,575,937.30
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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.