Finding the Fourth Proportional to 540,349,107.98, 745,682,406.86 and 292,830,462.24
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Solution
The fourth proportional to 540,349,107.98, 745,682,406.86 and 292,830,462.24 is: 404,106,383.56
Step by Step Solution
- Step 1: Write the proportion equation
540,349,107.98 : 745,682,406.86 = 292,830,462.24 : x - Step 2: Convert to fraction form
540,349,107.98/745,682,406.86 = 292,830,462.24/x - Step 3: Cross multiply
540,349,107.98x = 745,682,406.86 × 292,830,462.24 - Step 4: Simplify right side
540,349,107.98x = 218,358,523,885,049,568 - Step 5: Solve for x
x = 218,358,523,885,049,568/540,349,107.98 - Step 6: Final answer
x = 404,106,383.56
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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.