Finding the Fourth Proportional to 306,544,741.73, 423,585,102.87 and 218,285,511.47
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Solution
The fourth proportional to 306,544,741.73, 423,585,102.87 and 218,285,511.47 is: 301,628,043.95
Step by Step Solution
- Step 1: Write the proportion equation
306,544,741.73 : 423,585,102.87 = 218,285,511.47 : x - Step 2: Convert to fraction form
306,544,741.73/423,585,102.87 = 218,285,511.47/x - Step 3: Cross multiply
306,544,741.73x = 423,585,102.87 × 218,285,511.47 - Step 4: Simplify right side
306,544,741.73x = 92,462,490,828,932,592 - Step 5: Solve for x
x = 92,462,490,828,932,592/306,544,741.73 - Step 6: Final answer
x = 301,628,043.95
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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.