Finding the Fourth Proportional to 276,511,327.28, 414,477,295.88 and 128,837,121.29
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Solution
The fourth proportional to 276,511,327.28, 414,477,295.88 and 128,837,121.29 is: 193,120,702.02
Step by Step Solution
- Step 1: Write the proportion equation
276,511,327.28 : 414,477,295.88 = 128,837,121.29 : x - Step 2: Convert to fraction form
276,511,327.28/414,477,295.88 = 128,837,121.29/x - Step 3: Cross multiply
276,511,327.28x = 414,477,295.88 × 128,837,121.29 - Step 4: Simplify right side
276,511,327.28x = 53,400,061,639,492,480 - Step 5: Solve for x
x = 53,400,061,639,492,480/276,511,327.28 - Step 6: Final answer
x = 193,120,702.02
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.