Finding the Fourth Proportional to 537,728,662.68, 742,088,456.76 and 299,573,712.06
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Solution
The fourth proportional to 537,728,662.68, 742,088,456.76 and 299,573,712.06 is: 413,424,481.71
Step by Step Solution
- Step 1: Write the proportion equation
537,728,662.68 : 742,088,456.76 = 299,573,712.06 : x - Step 2: Convert to fraction form
537,728,662.68/742,088,456.76 = 299,573,712.06/x - Step 3: Cross multiply
537,728,662.68x = 742,088,456.76 × 299,573,712.06 - Step 4: Simplify right side
537,728,662.68x = 222,310,193,668,469,984 - Step 5: Solve for x
x = 222,310,193,668,469,984/537,728,662.68 - Step 6: Final answer
x = 413,424,481.71
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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.