Finding the Fourth Proportional to 352,195,879.53, 485,921,320 and 203,462,732.24
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Solution
The fourth proportional to 352,195,879.53, 485,921,320 and 203,462,732.24 is: 280,715,605.06
Step by Step Solution
- Step 1: Write the proportion equation
352,195,879.53 : 485,921,320 = 203,462,732.24 : x - Step 2: Convert to fraction form
352,195,879.53/485,921,320 = 203,462,732.24/x - Step 3: Cross multiply
352,195,879.53x = 485,921,320 × 203,462,732.24 - Step 4: Simplify right side
352,195,879.53x = 98,866,879,420,867,360 - Step 5: Solve for x
x = 98,866,879,420,867,360/352,195,879.53 - Step 6: Final answer
x = 280,715,605.06
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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.