Finding the Fourth Proportional to 747,112,228.74, 1,121,348,399.04 and 397,651,684.62
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Solution
The fourth proportional to 747,112,228.74, 1,121,348,399.04 and 397,651,684.62 is: 596,839,487.79
Step by Step Solution
- Step 1: Write the proportion equation
747,112,228.74 : 1,121,348,399.04 = 397,651,684.62 : x - Step 2: Convert to fraction form
747,112,228.74/1,121,348,399.04 = 397,651,684.62/x - Step 3: Cross multiply
747,112,228.74x = 1,121,348,399.04 × 397,651,684.62 - Step 4: Simplify right side
747,112,228.74x = 445,906,079,924,195,968 - Step 5: Solve for x
x = 445,906,079,924,195,968/747,112,228.74 - Step 6: Final answer
x = 596,839,487.79
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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.