Finding the Fourth Proportional to 4,142,235,115.16, 5,716,284,240.28 and 2,236,996,407.25
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Solution
The fourth proportional to 4,142,235,115.16, 5,716,284,240.28 and 2,236,996,407.25 is: 3,087,054,923.94
Step by Step Solution
- Step 1: Write the proportion equation
4,142,235,115.16 : 5,716,284,240.28 = 2,236,996,407.25 : x - Step 2: Convert to fraction form
4,142,235,115.16/5,716,284,240.28 = 2,236,996,407.25/x - Step 3: Cross multiply
4,142,235,115.16x = 5,716,284,240.28 × 2,236,996,407.25 - Step 4: Simplify right side
4,142,235,115.16x = 12,787,307,308,353,495,040 - Step 5: Solve for x
x = 12,787,307,308,353,495,040/4,142,235,115.16 - Step 6: Final answer
x = 3,087,054,923.94
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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.