Finding the Fourth Proportional to 306,544,741.48, 423,585,102.53 and 218,285,511.22
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Solution
The fourth proportional to 306,544,741.48, 423,585,102.53 and 218,285,511.22 is: 301,628,043.60
Step by Step Solution
- Step 1: Write the proportion equation
306,544,741.48 : 423,585,102.53 = 218,285,511.22 : x - Step 2: Convert to fraction form
306,544,741.48/423,585,102.53 = 218,285,511.22/x - Step 3: Cross multiply
306,544,741.48x = 423,585,102.53 × 218,285,511.22 - Step 4: Simplify right side
306,544,741.48x = 92,462,490,647,727,808 - Step 5: Solve for x
x = 92,462,490,647,727,808/306,544,741.48 - Step 6: Final answer
x = 301,628,043.60
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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.