Finding the Fourth Proportional to 7,064,431,387.80, 10,596,647,081.70 and 2,157,097,320.60
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Solution
The fourth proportional to 7,064,431,387.80, 10,596,647,081.70 and 2,157,097,320.60 is: 3,235,645,980.90
Step by Step Solution
- Step 1: Write the proportion equation
7,064,431,387.80 : 10,596,647,081.70 = 2,157,097,320.60 : x - Step 2: Convert to fraction form
7,064,431,387.80/10,596,647,081.70 = 2,157,097,320.60/x - Step 3: Cross multiply
7,064,431,387.80x = 10,596,647,081.70 × 2,157,097,320.60 - Step 4: Simplify right side
7,064,431,387.80x = 22,857,999,027,278,880,768 - Step 5: Solve for x
x = 22,857,999,027,278,880,768/7,064,431,387.80 - Step 6: Final answer
x = 3,235,645,980.90
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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.