Finding the Fourth Proportional to 408,427,135.98, 563,633,044.86 and 222,788,977.26
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Solution
The fourth proportional to 408,427,135.98, 563,633,044.86 and 222,788,977.26 is: 307,450,750.82
Step by Step Solution
- Step 1: Write the proportion equation
408,427,135.98 : 563,633,044.86 = 222,788,977.26 : x - Step 2: Convert to fraction form
408,427,135.98/563,633,044.86 = 222,788,977.26/x - Step 3: Cross multiply
408,427,135.98x = 563,633,044.86 × 222,788,977.26 - Step 4: Simplify right side
408,427,135.98x = 125,571,229,614,299,104 - Step 5: Solve for x
x = 125,571,229,614,299,104/408,427,135.98 - Step 6: Final answer
x = 307,450,750.82
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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.