Finding the Fourth Proportional to 1,279,173,737.02, 1,765,227,235.56 and 714,662,858.92
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Solution
The fourth proportional to 1,279,173,737.02, 1,765,227,235.56 and 714,662,858.92 is: 986,216,575.82
Step by Step Solution
- Step 1: Write the proportion equation
1,279,173,737.02 : 1,765,227,235.56 = 714,662,858.92 : x - Step 2: Convert to fraction form
1,279,173,737.02/1,765,227,235.56 = 714,662,858.92/x - Step 3: Cross multiply
1,279,173,737.02x = 1,765,227,235.56 × 714,662,858.92 - Step 4: Simplify right side
1,279,173,737.02x = 1,261,542,342,808,757,760 - Step 5: Solve for x
x = 1,261,542,342,808,757,760/1,279,173,737.02 - Step 6: Final answer
x = 986,216,575.82
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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.