Finding the Fourth Proportional to 351,750,693.24, 485,414,168.58 and 195,116,178.60
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Solution
The fourth proportional to 351,750,693.24, 485,414,168.58 and 195,116,178.60 is: 269,259,334.61
Step by Step Solution
- Step 1: Write the proportion equation
351,750,693.24 : 485,414,168.58 = 195,116,178.60 : x - Step 2: Convert to fraction form
351,750,693.24/485,414,168.58 = 195,116,178.60/x - Step 3: Cross multiply
351,750,693.24x = 485,414,168.58 × 195,116,178.60 - Step 4: Simplify right side
351,750,693.24x = 94,712,157,611,625,776 - Step 5: Solve for x
x = 94,712,157,611,625,776/351,750,693.24 - Step 6: Final answer
x = 269,259,334.61
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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.