Finding the Fourth Proportional to 752,269,418.24, 1,127,888,984.64 and 383,089,743.68
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Solution
The fourth proportional to 752,269,418.24, 1,127,888,984.64 and 383,089,743.68 is: 574,372,281.46
Step by Step Solution
- Step 1: Write the proportion equation
752,269,418.24 : 1,127,888,984.64 = 383,089,743.68 : x - Step 2: Convert to fraction form
752,269,418.24/1,127,888,984.64 = 383,089,743.68/x - Step 3: Cross multiply
752,269,418.24x = 1,127,888,984.64 × 383,089,743.68 - Step 4: Simplify right side
752,269,418.24x = 432,082,702,025,233,088 - Step 5: Solve for x
x = 432,082,702,025,233,088/752,269,418.24 - Step 6: Final answer
x = 574,372,281.46
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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.