Finding the Fourth Proportional to 335,896,237.80, 503,844,356.70 and 278,500,609.80
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Solution
The fourth proportional to 335,896,237.80, 503,844,356.70 and 278,500,609.80 is: 417,750,914.70
Step by Step Solution
- Step 1: Write the proportion equation
335,896,237.80 : 503,844,356.70 = 278,500,609.80 : x - Step 2: Convert to fraction form
335,896,237.80/503,844,356.70 = 278,500,609.80/x - Step 3: Cross multiply
335,896,237.80x = 503,844,356.70 × 278,500,609.80 - Step 4: Simplify right side
335,896,237.80x = 140,320,960,585,238,720 - Step 5: Solve for x
x = 140,320,960,585,238,720/335,896,237.80 - Step 6: Final answer
x = 417,750,914.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.