Finding the Fourth Proportional to 1,236,576,027.93, 1,855,783,570.16 and 499,652,340.09
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Solution
The fourth proportional to 1,236,576,027.93, 1,855,783,570.16 and 499,652,340.09 is: 749,850,055.79
Step by Step Solution
- Step 1: Write the proportion equation
1,236,576,027.93 : 1,855,783,570.16 = 499,652,340.09 : x - Step 2: Convert to fraction form
1,236,576,027.93/1,855,783,570.16 = 499,652,340.09/x - Step 3: Cross multiply
1,236,576,027.93x = 1,855,783,570.16 × 499,652,340.09 - Step 4: Simplify right side
1,236,576,027.93x = 927,246,603,531,018,752 - Step 5: Solve for x
x = 927,246,603,531,018,752/1,236,576,027.93 - Step 6: Final answer
x = 749,850,055.79
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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.