Finding the Fourth Proportional to 575,202,122.91, 862,839,505.98 and 243,147,214.80
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Solution
The fourth proportional to 575,202,122.91, 862,839,505.98 and 243,147,214.80 is: 364,736,175.93
Step by Step Solution
- Step 1: Write the proportion equation
575,202,122.91 : 862,839,505.98 = 243,147,214.80 : x - Step 2: Convert to fraction form
575,202,122.91/862,839,505.98 = 243,147,214.80/x - Step 3: Cross multiply
575,202,122.91x = 862,839,505.98 × 243,147,214.80 - Step 4: Simplify right side
575,202,122.91x = 209,797,022,698,444,960 - Step 5: Solve for x
x = 209,797,022,698,444,960/575,202,122.91 - Step 6: Final answer
x = 364,736,175.93
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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.