Finding the Fourth Proportional to 150,373,240,745.60, 225,652,638,203.19 and 69,683,904,137.98
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Solution
The fourth proportional to 150,373,240,745.60, 225,652,638,203.19 and 69,683,904,137.98 is: 104,568,849,690.71
Step by Step Solution
- Step 1: Write the proportion equation
150,373,240,745.60 : 225,652,638,203.19 = 69,683,904,137.98 : x - Step 2: Convert to fraction form
150,373,240,745.60/225,652,638,203.19 = 69,683,904,137.98/x - Step 3: Cross multiply
150,373,240,745.60x = 225,652,638,203.19 × 69,683,904,137.98 - Step 4: Simplify right side
150,373,240,745.60x = 15,724,356,809,032,248,328,192 - Step 5: Solve for x
x = 15,724,356,809,032,248,328,192/150,373,240,745.60 - Step 6: Final answer
x = 104,568,849,690.71
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1.5x scale
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.