Finding the Fourth Proportional to 7,019,472,172.24, 10,529,101,971.12 and 1,707,634,346.80
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Solution
The fourth proportional to 7,019,472,172.24, 10,529,101,971.12 and 1,707,634,346.80 is: 2,561,425,663.59
Step by Step Solution
- Step 1: Write the proportion equation
7,019,472,172.24 : 10,529,101,971.12 = 1,707,634,346.80 : x - Step 2: Convert to fraction form
7,019,472,172.24/10,529,101,971.12 = 1,707,634,346.80/x - Step 3: Cross multiply
7,019,472,172.24x = 10,529,101,971.12 × 1,707,634,346.80 - Step 4: Simplify right side
7,019,472,172.24x = 17,979,856,166,844,094,464 - Step 5: Solve for x
x = 17,979,856,166,844,094,464/7,019,472,172.24 - Step 6: Final answer
x = 2,561,425,663.59
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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.