Finding the Fourth Proportional to 7,129,608,614.10, 10,694,412,921.15 and 6,827,324,973.30
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Solution
The fourth proportional to 7,129,608,614.10, 10,694,412,921.15 and 6,827,324,973.30 is: 10,240,987,459.95
Step by Step Solution
- Step 1: Write the proportion equation
7,129,608,614.10 : 10,694,412,921.15 = 6,827,324,973.30 : x - Step 2: Convert to fraction form
7,129,608,614.10/10,694,412,921.15 = 6,827,324,973.30/x - Step 3: Cross multiply
7,129,608,614.10x = 10,694,412,921.15 × 6,827,324,973.30 - Step 4: Simplify right side
7,129,608,614.10x = 73,014,232,411,349,598,208 - Step 5: Solve for x
x = 73,014,232,411,349,598,208/7,129,608,614.10 - Step 6: Final answer
x = 10,240,987,459.95
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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.