Finding the Fourth Proportional to 5,202,663,697.54, 7,179,681,216.21 and 2,823,802,125.34
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Solution
The fourth proportional to 5,202,663,697.54, 7,179,681,216.21 and 2,823,802,125.34 is: 3,896,849,816.99
Step by Step Solution
- Step 1: Write the proportion equation
5,202,663,697.54 : 7,179,681,216.21 = 2,823,802,125.34 : x - Step 2: Convert to fraction form
5,202,663,697.54/7,179,681,216.21 = 2,823,802,125.34/x - Step 3: Cross multiply
5,202,663,697.54x = 7,179,681,216.21 × 2,823,802,125.34 - Step 4: Simplify right side
5,202,663,697.54x = 20,273,999,077,597,474,816 - Step 5: Solve for x
x = 20,273,999,077,597,474,816/5,202,663,697.54 - Step 6: Final answer
x = 3,896,849,816.99
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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.