Finding the Fourth Proportional to 1,765,923,893.92, 2,437,050,170.64 and 983,642,534.56
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Solution
The fourth proportional to 1,765,923,893.92, 2,437,050,170.64 and 983,642,534.56 is: 1,357,468,583.41
Step by Step Solution
- Step 1: Write the proportion equation
1,765,923,893.92 : 2,437,050,170.64 = 983,642,534.56 : x - Step 2: Convert to fraction form
1,765,923,893.92/2,437,050,170.64 = 983,642,534.56/x - Step 3: Cross multiply
1,765,923,893.92x = 2,437,050,170.64 × 983,642,534.56 - Step 4: Simplify right side
1,765,923,893.92x = 2,397,186,206,698,209,792 - Step 5: Solve for x
x = 2,397,186,206,698,209,792/1,765,923,893.92 - Step 6: Final answer
x = 1,357,468,583.41
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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.