Finding the Fourth Proportional to 1,163,614,631.10, 1,605,822,102.24 and 635,012,665.14
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Solution
The fourth proportional to 1,163,614,631.10, 1,605,822,102.24 and 635,012,665.14 is: 876,335,984.12
Step by Step Solution
- Step 1: Write the proportion equation
1,163,614,631.10 : 1,605,822,102.24 = 635,012,665.14 : x - Step 2: Convert to fraction form
1,163,614,631.10/1,605,822,102.24 = 635,012,665.14/x - Step 3: Cross multiply
1,163,614,631.10x = 1,605,822,102.24 × 635,012,665.14 - Step 4: Simplify right side
1,163,614,631.10x = 1,019,717,372,884,139,904 - Step 5: Solve for x
x = 1,019,717,372,884,139,904/1,163,614,631.10 - Step 6: Final answer
x = 876,335,984.12
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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.