Finding the Fourth Proportional to 582,674,964.48, 804,081,937.28 and 318,351,269.12
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Solution
The fourth proportional to 582,674,964.48, 804,081,937.28 and 318,351,269.12 is: 439,319,553.46
Step by Step Solution
- Step 1: Write the proportion equation
582,674,964.48 : 804,081,937.28 = 318,351,269.12 : x - Step 2: Convert to fraction form
582,674,964.48/804,081,937.28 = 318,351,269.12/x - Step 3: Cross multiply
582,674,964.48x = 804,081,937.28 × 318,351,269.12 - Step 4: Simplify right side
582,674,964.48x = 255,980,505,209,556,224 - Step 5: Solve for x
x = 255,980,505,209,556,224/582,674,964.48 - Step 6: Final answer
x = 439,319,553.46
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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.