Finding the Fourth Proportional to 306,544,747.74, 423,585,111.50 and 218,285,517.62
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Solution
The fourth proportional to 306,544,747.74, 423,585,111.50 and 218,285,517.62 is: 301,628,052.67
Step by Step Solution
- Step 1: Write the proportion equation
306,544,747.74 : 423,585,111.50 = 218,285,517.62 : x - Step 2: Convert to fraction form
306,544,747.74/423,585,111.50 = 218,285,517.62/x - Step 3: Cross multiply
306,544,747.74x = 423,585,111.50 × 218,285,517.62 - Step 4: Simplify right side
306,544,747.74x = 92,462,495,316,693,568 - Step 5: Solve for x
x = 92,462,495,316,693,568/306,544,747.74 - Step 6: Final answer
x = 301,628,052.67
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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.