Finding the Fourth Proportional to 5,370,469,455.42, 8,056,950,408.09 and 1,689,879,149.82
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Solution
The fourth proportional to 5,370,469,455.42, 8,056,950,408.09 and 1,689,879,149.82 is: 2,535,210,863.55
Step by Step Solution
- Step 1: Write the proportion equation
5,370,469,455.42 : 8,056,950,408.09 = 1,689,879,149.82 : x - Step 2: Convert to fraction form
5,370,469,455.42/8,056,950,408.09 = 1,689,879,149.82/x - Step 3: Cross multiply
5,370,469,455.42x = 8,056,950,408.09 × 1,689,879,149.82 - Step 4: Simplify right side
5,370,469,455.42x = 13,615,272,505,765,031,936 - Step 5: Solve for x
x = 13,615,272,505,765,031,936/5,370,469,455.42 - Step 6: Final answer
x = 2,535,210,863.55
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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.