Finding the Fourth Proportional to 7,062,640,937.49, 10,590,282,887.42 and 3,330,930,362.74
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Solution
The fourth proportional to 7,062,640,937.49, 10,590,282,887.42 and 3,330,930,362.74 is: 4,994,660,656.25
Step by Step Solution
- Step 1: Write the proportion equation
7,062,640,937.49 : 10,590,282,887.42 = 3,330,930,362.74 : x - Step 2: Convert to fraction form
7,062,640,937.49/10,590,282,887.42 = 3,330,930,362.74/x - Step 3: Cross multiply
7,062,640,937.49x = 10,590,282,887.42 × 3,330,930,362.74 - Step 4: Simplify right side
7,062,640,937.49x = 35,275,494,819,722,936,320 - Step 5: Solve for x
x = 35,275,494,819,722,936,320/7,062,640,937.49 - Step 6: Final answer
x = 4,994,660,656.25
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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.