Finding the Fourth Proportional to 14,161,630,842.76, 19,542,538,230.66 and 7,817,862,460.84
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Solution
The fourth proportional to 14,161,630,842.76, 19,542,538,230.66 and 7,817,862,460.84 is: 10,788,367,365.27
Step by Step Solution
- Step 1: Write the proportion equation
14,161,630,842.76 : 19,542,538,230.66 = 7,817,862,460.84 : x - Step 2: Convert to fraction form
14,161,630,842.76/19,542,538,230.66 = 7,817,862,460.84/x - Step 3: Cross multiply
14,161,630,842.76x = 19,542,538,230.66 × 7,817,862,460.84 - Step 4: Simplify right side
14,161,630,842.76x = 152,780,876,023,007,379,456 - Step 5: Solve for x
x = 152,780,876,023,007,379,456/14,161,630,842.76 - Step 6: Final answer
x = 10,788,367,365.27
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1.5x scale
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.