Finding the Fourth Proportional to 2,484,351,023.80, 3,723,361,509.30 and 1,320,377,135.80
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Solution
The fourth proportional to 2,484,351,023.80, 3,723,361,509.30 and 1,320,377,135.80 is: 1,978,883,562.79
Step by Step Solution
- Step 1: Write the proportion equation
2,484,351,023.80 : 3,723,361,509.30 = 1,320,377,135.80 : x - Step 2: Convert to fraction form
2,484,351,023.80/3,723,361,509.30 = 1,320,377,135.80/x - Step 3: Cross multiply
2,484,351,023.80x = 3,723,361,509.30 × 1,320,377,135.80 - Step 4: Simplify right side
2,484,351,023.80x = 4,916,241,405,197,499,392 - Step 5: Solve for x
x = 4,916,241,405,197,499,392/2,484,351,023.80 - Step 6: Final answer
x = 1,978,883,562.79
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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.