Finding the Fourth Proportional to 341,659,591.99, 513,306,973.64 and 219,078,074.32
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Solution
The fourth proportional to 341,659,591.99, 513,306,973.64 and 219,078,074.32 is: 329,141,361.63
Step by Step Solution
- Step 1: Write the proportion equation
341,659,591.99 : 513,306,973.64 = 219,078,074.32 : x - Step 2: Convert to fraction form
341,659,591.99/513,306,973.64 = 219,078,074.32/x - Step 3: Cross multiply
341,659,591.99x = 513,306,973.64 × 219,078,074.32 - Step 4: Simplify right side
341,659,591.99x = 112,454,303,319,342,624 - Step 5: Solve for x
x = 112,454,303,319,342,624/341,659,591.99 - Step 6: Final answer
x = 329,141,361.63
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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.