Finding the Fourth Proportional to 7,625,801,620.74, 10,523,337,829.05 and 4,192,474,938.06
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Solution
The fourth proportional to 7,625,801,620.74, 10,523,337,829.05 and 4,192,474,938.06 is: 5,785,467,850.76
Step by Step Solution
- Step 1: Write the proportion equation
7,625,801,620.74 : 10,523,337,829.05 = 4,192,474,938.06 : x - Step 2: Convert to fraction form
7,625,801,620.74/10,523,337,829.05 = 4,192,474,938.06/x - Step 3: Cross multiply
7,625,801,620.74x = 10,523,337,829.05 × 4,192,474,938.06 - Step 4: Simplify right side
7,625,801,620.74x = 44,118,830,113,030,848,512 - Step 5: Solve for x
x = 44,118,830,113,030,848,512/7,625,801,620.74 - Step 6: Final answer
x = 5,785,467,850.76
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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.