Finding the Fourth Proportional to 2,292,004,656.80, 3,438,006,985.20 and 656,229,258.80
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Solution
The fourth proportional to 2,292,004,656.80, 3,438,006,985.20 and 656,229,258.80 is: 984,343,888.20
Step by Step Solution
- Step 1: Write the proportion equation
2,292,004,656.80 : 3,438,006,985.20 = 656,229,258.80 : x - Step 2: Convert to fraction form
2,292,004,656.80/3,438,006,985.20 = 656,229,258.80/x - Step 3: Cross multiply
2,292,004,656.80x = 3,438,006,985.20 × 656,229,258.80 - Step 4: Simplify right side
2,292,004,656.80x = 2,256,120,775,647,018,240 - Step 5: Solve for x
x = 2,256,120,775,647,018,240/2,292,004,656.80 - Step 6: Final answer
x = 984,343,888.20
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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.