Finding the Fourth Proportional to 1,548,591,925.99, 2,322,885,785.36 and 719,091,981.43
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Solution
The fourth proportional to 1,548,591,925.99, 2,322,885,785.36 and 719,091,981.43 is: 1,078,636,995.33
Step by Step Solution
- Step 1: Write the proportion equation
1,548,591,925.99 : 2,322,885,785.36 = 719,091,981.43 : x - Step 2: Convert to fraction form
1,548,591,925.99/2,322,885,785.36 = 719,091,981.43/x - Step 3: Cross multiply
1,548,591,925.99x = 2,322,885,785.36 × 719,091,981.43 - Step 4: Simplify right side
1,548,591,925.99x = 1,670,368,542,039,749,888 - Step 5: Solve for x
x = 1,670,368,542,039,749,888/1,548,591,925.99 - Step 6: Final answer
x = 1,078,636,995.33
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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.