Finding the Fourth Proportional to 481,538,954.92, 664,564,740.44 and 272,732,243.08
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Solution
The fourth proportional to 481,538,954.92, 664,564,740.44 and 272,732,243.08 is: 376,393,707.05
Step by Step Solution
- Step 1: Write the proportion equation
481,538,954.92 : 664,564,740.44 = 272,732,243.08 : x - Step 2: Convert to fraction form
481,538,954.92/664,564,740.44 = 272,732,243.08/x - Step 3: Cross multiply
481,538,954.92x = 664,564,740.44 × 272,732,243.08 - Step 4: Simplify right side
481,538,954.92x = 181,248,232,332,079,200 - Step 5: Solve for x
x = 181,248,232,332,079,200/481,538,954.92 - Step 6: Final answer
x = 376,393,707.05
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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.