Finding the Fourth Proportional to 901,673,386.15, 1,351,566,105.08 and 377,342,900.65
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Solution
The fourth proportional to 901,673,386.15, 1,351,566,105.08 and 377,342,900.65 is: 565,619,305.55
Step by Step Solution
- Step 1: Write the proportion equation
901,673,386.15 : 1,351,566,105.08 = 377,342,900.65 : x - Step 2: Convert to fraction form
901,673,386.15/1,351,566,105.08 = 377,342,900.65/x - Step 3: Cross multiply
901,673,386.15x = 1,351,566,105.08 × 377,342,900.65 - Step 4: Simplify right side
901,673,386.15x = 510,003,874,511,109,824 - Step 5: Solve for x
x = 510,003,874,511,109,824/901,673,386.15 - Step 6: Final answer
x = 565,619,305.55
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1.5x scale
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.