Finding the Fourth Proportional to 65,192,366,456.36, 97,788,427,633.92 and 20,427,290,132.84
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Solution
The fourth proportional to 65,192,366,456.36, 97,788,427,633.92 and 20,427,290,132.84 is: 30,640,896,956.08
Step by Step Solution
- Step 1: Write the proportion equation
65,192,366,456.36 : 97,788,427,633.92 = 20,427,290,132.84 : x - Step 2: Convert to fraction form
65,192,366,456.36/97,788,427,633.92 = 20,427,290,132.84/x - Step 3: Cross multiply
65,192,366,456.36x = 97,788,427,633.92 × 20,427,290,132.84 - Step 4: Simplify right side
65,192,366,456.36x = 1,997,552,582,912,312,344,576 - Step 5: Solve for x
x = 1,997,552,582,912,312,344,576/65,192,366,456.36 - Step 6: Final answer
x = 30,640,896,956.08
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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.