Finding the Fourth Proportional to 7,625,801,621.74, 10,523,337,830.43 and 4,192,474,939.06
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Solution
The fourth proportional to 7,625,801,621.74, 10,523,337,830.43 and 4,192,474,939.06 is: 5,785,467,852.14
Step by Step Solution
- Step 1: Write the proportion equation
7,625,801,621.74 : 10,523,337,830.43 = 4,192,474,939.06 : x - Step 2: Convert to fraction form
7,625,801,621.74/10,523,337,830.43 = 4,192,474,939.06/x - Step 3: Cross multiply
7,625,801,621.74x = 10,523,337,830.43 × 4,192,474,939.06 - Step 4: Simplify right side
7,625,801,621.74x = 44,118,830,129,339,809,792 - Step 5: Solve for x
x = 44,118,830,129,339,809,792/7,625,801,621.74 - Step 6: Final answer
x = 5,785,467,852.14
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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.