Finding the Fourth Proportional to 526,304,998.02, 726,072,908.58 and 317,345,053.98
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Solution
The fourth proportional to 526,304,998.02, 726,072,908.58 and 317,345,053.98 is: 437,798,704.62
Step by Step Solution
- Step 1: Write the proportion equation
526,304,998.02 : 726,072,908.58 = 317,345,053.98 : x - Step 2: Convert to fraction form
526,304,998.02/726,072,908.58 = 317,345,053.98/x - Step 3: Cross multiply
526,304,998.02x = 726,072,908.58 × 317,345,053.98 - Step 4: Simplify right side
526,304,998.02x = 230,415,646,366,735,744 - Step 5: Solve for x
x = 230,415,646,366,735,744/526,304,998.02 - Step 6: Final answer
x = 437,798,704.62
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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.