Finding the Fourth Proportional to 522,421,241.47, 783,745,236.35 and 158,906,149.63
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Solution
The fourth proportional to 522,421,241.47, 783,745,236.35 and 158,906,149.63 is: 238,393,709.74
Step by Step Solution
- Step 1: Write the proportion equation
522,421,241.47 : 783,745,236.35 = 158,906,149.63 : x - Step 2: Convert to fraction form
522,421,241.47/783,745,236.35 = 158,906,149.63/x - Step 3: Cross multiply
522,421,241.47x = 783,745,236.35 × 158,906,149.63 - Step 4: Simplify right side
522,421,241.47x = 124,541,937,799,232,816 - Step 5: Solve for x
x = 124,541,937,799,232,816/522,421,241.47 - Step 6: Final answer
x = 238,393,709.74
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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.