Finding the Fourth Proportional to 370,783,103.58, 511,670,569.82 and 203,519,134.71
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Solution
The fourth proportional to 370,783,103.58, 511,670,569.82 and 203,519,134.71 is: 280,850,854.91
Step by Step Solution
- Step 1: Write the proportion equation
370,783,103.58 : 511,670,569.82 = 203,519,134.71 : x - Step 2: Convert to fraction form
370,783,103.58/511,670,569.82 = 203,519,134.71/x - Step 3: Cross multiply
370,783,103.58x = 511,670,569.82 × 203,519,134.71 - Step 4: Simplify right side
370,783,103.58x = 104,134,751,625,321,456 - Step 5: Solve for x
x = 104,134,751,625,321,456/370,783,103.58 - Step 6: Final answer
x = 280,850,854.91
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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.