Finding the Fourth Proportional to 7,351,689,212.89, 10,145,395,863.12 and 4,010,202,355.93
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Solution
The fourth proportional to 7,351,689,212.89, 10,145,395,863.12 and 4,010,202,355.93 is: 5,534,114,570.67
Step by Step Solution
- Step 1: Write the proportion equation
7,351,689,212.89 : 10,145,395,863.12 = 4,010,202,355.93 : x - Step 2: Convert to fraction form
7,351,689,212.89/10,145,395,863.12 = 4,010,202,355.93/x - Step 3: Cross multiply
7,351,689,212.89x = 10,145,395,863.12 × 4,010,202,355.93 - Step 4: Simplify right side
7,351,689,212.89x = 40,685,090,392,126,300,160 - Step 5: Solve for x
x = 40,685,090,392,126,300,160/7,351,689,212.89 - Step 6: Final answer
x = 5,534,114,570.67
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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.