Finding the Fourth Proportional to 871,051,368.08, 1,306,832,141.64 and 257,651,928.56
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Solution
The fourth proportional to 871,051,368.08, 1,306,832,141.64 and 257,651,928.56 is: 386,553,346.84
Step by Step Solution
- Step 1: Write the proportion equation
871,051,368.08 : 1,306,832,141.64 = 257,651,928.56 : x - Step 2: Convert to fraction form
871,051,368.08/1,306,832,141.64 = 257,651,928.56/x - Step 3: Cross multiply
871,051,368.08x = 1,306,832,141.64 × 257,651,928.56 - Step 4: Simplify right side
871,051,368.08x = 336,707,821,597,741,120 - Step 5: Solve for x
x = 336,707,821,597,741,120/871,051,368.08 - Step 6: Final answer
x = 386,553,346.84
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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.