Finding the Fourth Proportional to 483,539,813.34, 667,287,202.13 and 274,707,415.19
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Solution
The fourth proportional to 483,539,813.34, 667,287,202.13 and 274,707,415.19 is: 379,097,516.75
Step by Step Solution
- Step 1: Write the proportion equation
483,539,813.34 : 667,287,202.13 = 274,707,415.19 : x - Step 2: Convert to fraction form
483,539,813.34/667,287,202.13 = 274,707,415.19/x - Step 3: Cross multiply
483,539,813.34x = 667,287,202.13 × 274,707,415.19 - Step 4: Simplify right side
483,539,813.34x = 183,308,742,486,499,360 - Step 5: Solve for x
x = 183,308,742,486,499,360/483,539,813.34 - Step 6: Final answer
x = 379,097,516.75
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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.