Finding the Fourth Proportional to 5,011,782,342.05, 7,512,999,985.14 and 1,693,276,149.28
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Solution
The fourth proportional to 5,011,782,342.05, 7,512,999,985.14 and 1,693,276,149.28 is: 2,538,335,230.09
Step by Step Solution
- Step 1: Write the proportion equation
5,011,782,342.05 : 7,512,999,985.14 = 1,693,276,149.28 : x - Step 2: Convert to fraction form
5,011,782,342.05/7,512,999,985.14 = 1,693,276,149.28/x - Step 3: Cross multiply
5,011,782,342.05x = 7,512,999,985.14 × 1,693,276,149.28 - Step 4: Simplify right side
5,011,782,342.05x = 12,721,583,684,388,630,528 - Step 5: Solve for x
x = 12,721,583,684,388,630,528/5,011,782,342.05 - Step 6: Final answer
x = 2,538,335,230.09
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.