Finding the Fourth Proportional to 268,272,895.20, 402,409,342.80 and 234,260,671.20
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Solution
The fourth proportional to 268,272,895.20, 402,409,342.80 and 234,260,671.20 is: 351,391,006.80
Step by Step Solution
- Step 1: Write the proportion equation
268,272,895.20 : 402,409,342.80 = 234,260,671.20 : x - Step 2: Convert to fraction form
268,272,895.20/402,409,342.80 = 234,260,671.20/x - Step 3: Cross multiply
268,272,895.20x = 402,409,342.80 × 234,260,671.20 - Step 4: Simplify right side
268,272,895.20x = 94,268,682,741,478,880 - Step 5: Solve for x
x = 94,268,682,741,478,880/268,272,895.20 - Step 6: Final answer
x = 351,391,006.80
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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.