Finding the Fourth Proportional to 1,748,751,370.40, 2,624,134,825.20 and 659,016,509.60
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Solution
The fourth proportional to 1,748,751,370.40, 2,624,134,825.20 and 659,016,509.60 is: 988,904,542.12
Step by Step Solution
- Step 1: Write the proportion equation
1,748,751,370.40 : 2,624,134,825.20 = 659,016,509.60 : x - Step 2: Convert to fraction form
1,748,751,370.40/2,624,134,825.20 = 659,016,509.60/x - Step 3: Cross multiply
1,748,751,370.40x = 2,624,134,825.20 × 659,016,509.60 - Step 4: Simplify right side
1,748,751,370.40x = 1,729,348,173,223,110,144 - Step 5: Solve for x
x = 1,729,348,173,223,110,144/1,748,751,370.40 - Step 6: Final answer
x = 988,904,542.12
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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.