Finding the Fourth Proportional to 6,355,163,378.47, 9,534,124,115.41 and 1,933,467,890.99
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Solution
The fourth proportional to 6,355,163,378.47, 9,534,124,115.41 and 1,933,467,890.99 is: 2,900,621,392.10
Step by Step Solution
- Step 1: Write the proportion equation
6,355,163,378.47 : 9,534,124,115.41 = 1,933,467,890.99 : x - Step 2: Convert to fraction form
6,355,163,378.47/9,534,124,115.41 = 1,933,467,890.99/x - Step 3: Cross multiply
6,355,163,378.47x = 9,534,124,115.41 × 1,933,467,890.99 - Step 4: Simplify right side
6,355,163,378.47x = 18,433,922,845,858,672,640 - Step 5: Solve for x
x = 18,433,922,845,858,672,640/6,355,163,378.47 - Step 6: Final answer
x = 2,900,621,392.10
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1.5x scale
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.