Finding the Fourth Proportional to 448,872,991.08, 673,373,745.81 and 138,006,709.53
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Solution
The fourth proportional to 448,872,991.08, 673,373,745.81 and 138,006,709.53 is: 207,029,820.88
Step by Step Solution
- Step 1: Write the proportion equation
448,872,991.08 : 673,373,745.81 = 138,006,709.53 : x - Step 2: Convert to fraction form
448,872,991.08/673,373,745.81 = 138,006,709.53/x - Step 3: Cross multiply
448,872,991.08x = 673,373,745.81 × 138,006,709.53 - Step 4: Simplify right side
448,872,991.08x = 92,930,094,943,128,720 - Step 5: Solve for x
x = 92,930,094,943,128,720/448,872,991.08 - Step 6: Final answer
x = 207,029,820.88
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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.