Finding the Fourth Proportional to 886,549,953.15, 1,329,704,207.33 and 231,552,201.15
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Solution
The fourth proportional to 886,549,953.15, 1,329,704,207.33 and 231,552,201.15 is: 347,296,771.03
Step by Step Solution
- Step 1: Write the proportion equation
886,549,953.15 : 1,329,704,207.33 = 231,552,201.15 : x - Step 2: Convert to fraction form
886,549,953.15/1,329,704,207.33 = 231,552,201.15/x - Step 3: Cross multiply
886,549,953.15x = 1,329,704,207.33 × 231,552,201.15 - Step 4: Simplify right side
886,549,953.15x = 307,895,936,084,519,744 - Step 5: Solve for x
x = 307,895,936,084,519,744/886,549,953.15 - Step 6: Final answer
x = 347,296,771.03
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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.