Finding the Fourth Proportional to 481,463,359.58, 664,409,946.39 and 283,246,276.70
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Solution
The fourth proportional to 481,463,359.58, 664,409,946.39 and 283,246,276.70 is: 390,874,278.95
Step by Step Solution
- Step 1: Write the proportion equation
481,463,359.58 : 664,409,946.39 = 283,246,276.70 : x - Step 2: Convert to fraction form
481,463,359.58/664,409,946.39 = 283,246,276.70/x - Step 3: Cross multiply
481,463,359.58x = 664,409,946.39 × 283,246,276.70 - Step 4: Simplify right side
481,463,359.58x = 188,191,643,517,414,080 - Step 5: Solve for x
x = 188,191,643,517,414,080/481,463,359.58 - Step 6: Final answer
x = 390,874,278.95
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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.