Finding the Fourth Proportional to 2,248,555,049.78, 3,103,102,936.26 and 1,244,972,636.24
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Solution
The fourth proportional to 2,248,555,049.78, 3,103,102,936.26 and 1,244,972,636.24 is: 1,718,115,926.69
Step by Step Solution
- Step 1: Write the proportion equation
2,248,555,049.78 : 3,103,102,936.26 = 1,244,972,636.24 : x - Step 2: Convert to fraction form
2,248,555,049.78/3,103,102,936.26 = 1,244,972,636.24/x - Step 3: Cross multiply
2,248,555,049.78x = 3,103,102,936.26 × 1,244,972,636.24 - Step 4: Simplify right side
2,248,555,049.78x = 3,863,278,243,064,181,248 - Step 5: Solve for x
x = 3,863,278,243,064,181,248/2,248,555,049.78 - Step 6: Final answer
x = 1,718,115,926.69
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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.