Finding the Fourth Proportional to 7,064,431,314.30, 10,596,646,971.45 and 2,157,097,247.10
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Solution
The fourth proportional to 7,064,431,314.30, 10,596,646,971.45 and 2,157,097,247.10 is: 3,235,645,870.65
Step by Step Solution
- Step 1: Write the proportion equation
7,064,431,314.30 : 10,596,646,971.45 = 2,157,097,247.10 : x - Step 2: Convert to fraction form
7,064,431,314.30/10,596,646,971.45 = 2,157,097,247.10/x - Step 3: Cross multiply
7,064,431,314.30x = 10,596,646,971.45 × 2,157,097,247.10 - Step 4: Simplify right side
7,064,431,314.30x = 22,857,998,010,605,346,816 - Step 5: Solve for x
x = 22,857,998,010,605,346,816/7,064,431,314.30 - Step 6: Final answer
x = 3,235,645,870.65
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Double scale
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Similar ratio
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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.