Finding the Fourth Proportional to 699,720,102,557.11, 1,049,580,153,835.60 and 196,642,490,700.31
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Solution
The fourth proportional to 699,720,102,557.11, 1,049,580,153,835.60 and 196,642,490,700.31 is: 294,963,736,050.45
Step by Step Solution
- Step 1: Write the proportion equation
699,720,102,557.11 : 1,049,580,153,835.60 = 196,642,490,700.31 : x - Step 2: Convert to fraction form
699,720,102,557.11/1,049,580,153,835.60 = 196,642,490,700.31/x - Step 3: Cross multiply
699,720,102,557.11x = 1,049,580,153,835.60 × 196,642,490,700.31 - Step 4: Simplify right side
699,720,102,557.11x = 206,392,055,639,846,904,922,112 - Step 5: Solve for x
x = 206,392,055,639,846,904,922,112/699,720,102,557.11 - Step 6: Final answer
x = 294,963,736,050.45
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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.