Finding the Fourth Proportional to 7,653,382,507.12, 10,561,667,777.40 and 4,133,117,323.12
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Solution
The fourth proportional to 7,653,382,507.12, 10,561,667,777.40 and 4,133,117,323.12 is: 5,703,701,861.39
Step by Step Solution
- Step 1: Write the proportion equation
7,653,382,507.12 : 10,561,667,777.40 = 4,133,117,323.12 : x - Step 2: Convert to fraction form
7,653,382,507.12/10,561,667,777.40 = 4,133,117,323.12/x - Step 3: Cross multiply
7,653,382,507.12x = 10,561,667,777.40 × 4,133,117,323.12 - Step 4: Simplify right side
7,653,382,507.12x = 43,652,612,051,810,246,656 - Step 5: Solve for x
x = 43,652,612,051,810,246,656/7,653,382,507.12 - Step 6: Final answer
x = 5,703,701,861.39
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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.