Finding the Fourth Proportional to 4,946,413,783.20, 7,419,620,674.80 and 1,674,862,987.20
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Solution
The fourth proportional to 4,946,413,783.20, 7,419,620,674.80 and 1,674,862,987.20 is: 2,512,294,480.80
Step by Step Solution
- Step 1: Write the proportion equation
4,946,413,783.20 : 7,419,620,674.80 = 1,674,862,987.20 : x - Step 2: Convert to fraction form
4,946,413,783.20/7,419,620,674.80 = 1,674,862,987.20/x - Step 3: Cross multiply
4,946,413,783.20x = 7,419,620,674.80 × 1,674,862,987.20 - Step 4: Simplify right side
4,946,413,783.20x = 12,426,848,047,286,409,216 - Step 5: Solve for x
x = 12,426,848,047,286,409,216/4,946,413,783.20 - Step 6: Final answer
x = 2,512,294,480.80
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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.