Finding the Fourth Proportional to 481,538,955.92, 664,564,741.82 and 272,732,244.08
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Solution
The fourth proportional to 481,538,955.92, 664,564,741.82 and 272,732,244.08 is: 376,393,708.43
Step by Step Solution
- Step 1: Write the proportion equation
481,538,955.92 : 664,564,741.82 = 272,732,244.08 : x - Step 2: Convert to fraction form
481,538,955.92/664,564,741.82 = 272,732,244.08/x - Step 3: Cross multiply
481,538,955.92x = 664,564,741.82 × 272,732,244.08 - Step 4: Simplify right side
481,538,955.92x = 181,248,233,373,014,432 - Step 5: Solve for x
x = 181,248,233,373,014,432/481,538,955.92 - Step 6: Final answer
x = 376,393,708.43
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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.