Finding the Fourth Proportional to 454,909,512.60, 682,364,268.90 and 248,285,251.80
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Solution
The fourth proportional to 454,909,512.60, 682,364,268.90 and 248,285,251.80 is: 372,427,877.70
Step by Step Solution
- Step 1: Write the proportion equation
454,909,512.60 : 682,364,268.90 = 248,285,251.80 : x - Step 2: Convert to fraction form
454,909,512.60/682,364,268.90 = 248,285,251.80/x - Step 3: Cross multiply
454,909,512.60x = 682,364,268.90 × 248,285,251.80 - Step 4: Simplify right side
454,909,512.60x = 169,420,984,323,159,424 - Step 5: Solve for x
x = 169,420,984,323,159,424/454,909,512.60 - Step 6: Final answer
x = 372,427,877.70
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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.