Finding the Fourth Proportional to 397,163,272.80, 595,744,909.20 and 106,029,832.80
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Solution
The fourth proportional to 397,163,272.80, 595,744,909.20 and 106,029,832.80 is: 159,044,749.20
Step by Step Solution
- Step 1: Write the proportion equation
397,163,272.80 : 595,744,909.20 = 106,029,832.80 : x - Step 2: Convert to fraction form
397,163,272.80/595,744,909.20 = 106,029,832.80/x - Step 3: Cross multiply
397,163,272.80x = 595,744,909.20 × 106,029,832.80 - Step 4: Simplify right side
397,163,272.80x = 63,166,733,113,927,184 - Step 5: Solve for x
x = 63,166,733,113,927,184/397,163,272.80 - Step 6: Final answer
x = 159,044,749.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.