Finding the Fourth Proportional to 7,095,114,512.70, 10,642,671,769.05 and 3,421,794,320.70
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Solution
The fourth proportional to 7,095,114,512.70, 10,642,671,769.05 and 3,421,794,320.70 is: 5,132,691,481.05
Step by Step Solution
- Step 1: Write the proportion equation
7,095,114,512.70 : 10,642,671,769.05 = 3,421,794,320.70 : x - Step 2: Convert to fraction form
7,095,114,512.70/10,642,671,769.05 = 3,421,794,320.70/x - Step 3: Cross multiply
7,095,114,512.70x = 10,642,671,769.05 × 3,421,794,320.70 - Step 4: Simplify right side
7,095,114,512.70x = 36,417,033,816,409,505,792 - Step 5: Solve for x
x = 36,417,033,816,409,505,792/7,095,114,512.70 - Step 6: Final answer
x = 5,132,691,481.05
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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.