Finding the Fourth Proportional to 7,640,763,157.04, 11,463,483,775.80 and 3,912,694,160.96
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Solution
The fourth proportional to 7,640,763,157.04, 11,463,483,775.80 and 3,912,694,160.96 is: 5,870,239,020.89
Step by Step Solution
- Step 1: Write the proportion equation
7,640,763,157.04 : 11,463,483,775.80 = 3,912,694,160.96 : x - Step 2: Convert to fraction form
7,640,763,157.04/11,463,483,775.80 = 3,912,694,160.96/x - Step 3: Cross multiply
7,640,763,157.04x = 11,463,483,775.80 × 3,912,694,160.96 - Step 4: Simplify right side
7,640,763,157.04x = 44,853,106,033,832,353,792 - Step 5: Solve for x
x = 44,853,106,033,832,353,792/7,640,763,157.04 - Step 6: Final answer
x = 5,870,239,020.89
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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.