Finding the Fourth Proportional to 3,149,292,296.80, 4,723,938,445.20 and 2,332,998,920.80
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Solution
The fourth proportional to 3,149,292,296.80, 4,723,938,445.20 and 2,332,998,920.80 is: 3,499,498,381.20
Step by Step Solution
- Step 1: Write the proportion equation
3,149,292,296.80 : 4,723,938,445.20 = 2,332,998,920.80 : x - Step 2: Convert to fraction form
3,149,292,296.80/4,723,938,445.20 = 2,332,998,920.80/x - Step 3: Cross multiply
3,149,292,296.80x = 4,723,938,445.20 × 2,332,998,920.80 - Step 4: Simplify right side
3,149,292,296.80x = 11,020,943,294,577,229,824 - Step 5: Solve for x
x = 11,020,943,294,577,229,824/3,149,292,296.80 - Step 6: Final answer
x = 3,499,498,381.20
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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.