Finding the Fourth Proportional to 2,147,750,608.73, 2,962,216,754.57 and 1,395,306,220.35
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Solution
The fourth proportional to 2,147,750,608.73, 2,962,216,754.57 and 1,395,306,220.35 is: 1,924,431,750.54
Step by Step Solution
- Step 1: Write the proportion equation
2,147,750,608.73 : 2,962,216,754.57 = 1,395,306,220.35 : x - Step 2: Convert to fraction form
2,147,750,608.73/2,962,216,754.57 = 1,395,306,220.35/x - Step 3: Cross multiply
2,147,750,608.73x = 2,962,216,754.57 × 1,395,306,220.35 - Step 4: Simplify right side
2,147,750,608.73x = 4,133,199,463,669,533,696 - Step 5: Solve for x
x = 4,133,199,463,669,533,696/2,147,750,608.73 - Step 6: Final answer
x = 1,924,431,750.54
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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.