Finding the Fourth Proportional to 7,432,804,936.40, 11,149,207,404.60 and 4,126,816,763.60
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Solution
The fourth proportional to 7,432,804,936.40, 11,149,207,404.60 and 4,126,816,763.60 is: 6,190,225,145.40
Step by Step Solution
- Step 1: Write the proportion equation
7,432,804,936.40 : 11,149,207,404.60 = 4,126,816,763.60 : x - Step 2: Convert to fraction form
7,432,804,936.40/11,149,207,404.60 = 4,126,816,763.60/x - Step 3: Cross multiply
7,432,804,936.40x = 11,149,207,404.60 × 4,126,816,763.60 - Step 4: Simplify right side
7,432,804,936.40x = 46,010,736,018,156,527,616 - Step 5: Solve for x
x = 46,010,736,018,156,527,616/7,432,804,936.40 - Step 6: Final answer
x = 6,190,225,145.40
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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.