Finding the Fourth Proportional to 74,482,848,021.70, 111,724,272,032.55 and 74,482,848,021.70
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Solution
The fourth proportional to 74,482,848,021.70, 111,724,272,032.55 and 74,482,848,021.70 is: 111,724,272,032.55
Step by Step Solution
- Step 1: Write the proportion equation
74,482,848,021.70 : 111,724,272,032.55 = 74,482,848,021.70 : x - Step 2: Convert to fraction form
74,482,848,021.70/111,724,272,032.55 = 74,482,848,021.70/x - Step 3: Cross multiply
74,482,848,021.70x = 111,724,272,032.55 × 74,482,848,021.70 - Step 4: Simplify right side
74,482,848,021.70x = 8,321,541,974,135,489,429,504 - Step 5: Solve for x
x = 8,321,541,974,135,489,429,504/74,482,848,021.70 - Step 6: Final answer
x = 111,724,272,032.55
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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.