Finding the Fourth Proportional to 6,213,352,785.21, 8,574,426,515.61 and 3,355,494,723.27
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Solution
The fourth proportional to 6,213,352,785.21, 8,574,426,515.61 and 3,355,494,723.27 is: 4,630,582,540.99
Step by Step Solution
- Step 1: Write the proportion equation
6,213,352,785.21 : 8,574,426,515.61 = 3,355,494,723.27 : x - Step 2: Convert to fraction form
6,213,352,785.21/8,574,426,515.61 = 3,355,494,723.27/x - Step 3: Cross multiply
6,213,352,785.21x = 8,574,426,515.61 × 3,355,494,723.27 - Step 4: Simplify right side
6,213,352,785.21x = 28,771,442,928,195,727,360 - Step 5: Solve for x
x = 28,771,442,928,195,727,360/6,213,352,785.21 - Step 6: Final answer
x = 4,630,582,540.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.