Finding the Fourth Proportional to 5,130,715,497.56, 7,081,130,728.16 and 2,872,800,533.17
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Solution
The fourth proportional to 5,130,715,497.56, 7,081,130,728.16 and 2,872,800,533.17 is: 3,964,880,949.06
Step by Step Solution
- Step 1: Write the proportion equation
5,130,715,497.56 : 7,081,130,728.16 = 2,872,800,533.17 : x - Step 2: Convert to fraction form
5,130,715,497.56/7,081,130,728.16 = 2,872,800,533.17/x - Step 3: Cross multiply
5,130,715,497.56x = 7,081,130,728.16 × 2,872,800,533.17 - Step 4: Simplify right side
5,130,715,497.56x = 20,342,676,131,304,517,632 - Step 5: Solve for x
x = 20,342,676,131,304,517,632/5,130,715,497.56 - Step 6: Final answer
x = 3,964,880,949.06
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1.5x scale
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.