Finding the Fourth Proportional to 4,190,292,572.85, 5,782,743,348.89 and 2,285,157,995.51
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Solution
The fourth proportional to 4,190,292,572.85, 5,782,743,348.89 and 2,285,157,995.51 is: 3,153,594,163.16
Step by Step Solution
- Step 1: Write the proportion equation
4,190,292,572.85 : 5,782,743,348.89 = 2,285,157,995.51 : x - Step 2: Convert to fraction form
4,190,292,572.85/5,782,743,348.89 = 2,285,157,995.51/x - Step 3: Cross multiply
4,190,292,572.85x = 5,782,743,348.89 × 2,285,157,995.51 - Step 4: Simplify right side
4,190,292,572.85x = 13,214,482,199,657,918,464 - Step 5: Solve for x
x = 13,214,482,199,657,918,464/4,190,292,572.85 - Step 6: Final answer
x = 3,153,594,163.16
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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.