Finding the Fourth Proportional to 3,583,108,728.80, 4,946,811,122.64 and 3,185,533,585.12
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Solution
The fourth proportional to 3,583,108,728.80, 4,946,811,122.64 and 3,185,533,585.12 is: 4,397,922,073.58
Step by Step Solution
- Step 1: Write the proportion equation
3,583,108,728.80 : 4,946,811,122.64 = 3,185,533,585.12 : x - Step 2: Convert to fraction form
3,583,108,728.80/4,946,811,122.64 = 3,185,533,585.12/x - Step 3: Cross multiply
3,583,108,728.80x = 4,946,811,122.64 × 3,185,533,585.12 - Step 4: Simplify right side
3,583,108,728.80x = 15,758,232,970,414,891,008 - Step 5: Solve for x
x = 15,758,232,970,414,891,008/3,583,108,728.80 - Step 6: Final answer
x = 4,397,922,073.58
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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.