Finding the Fourth Proportional to 947,277,378.36, 1,413,977,836.26 and 835,451,563.14
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Solution
The fourth proportional to 947,277,378.36, 1,413,977,836.26 and 835,451,563.14 is: 1,247,058,169.59
Step by Step Solution
- Step 1: Write the proportion equation
947,277,378.36 : 1,413,977,836.26 = 835,451,563.14 : x - Step 2: Convert to fraction form
947,277,378.36/1,413,977,836.26 = 835,451,563.14/x - Step 3: Cross multiply
947,277,378.36x = 1,413,977,836.26 × 835,451,563.14 - Step 4: Simplify right side
947,277,378.36x = 1,181,309,993,548,731,904 - Step 5: Solve for x
x = 1,181,309,993,548,731,904/947,277,378.36 - Step 6: Final answer
x = 1,247,058,169.59
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.