Finding the Fourth Proportional to 276,295,408.81, 381,285,690.05 and 150,847,600.62
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Solution
The fourth proportional to 276,295,408.81, 381,285,690.05 and 150,847,600.62 is: 208,168,611.07
Step by Step Solution
- Step 1: Write the proportion equation
276,295,408.81 : 381,285,690.05 = 150,847,600.62 : x - Step 2: Convert to fraction form
276,295,408.81/381,285,690.05 = 150,847,600.62/x - Step 3: Cross multiply
276,295,408.81x = 381,285,690.05 × 150,847,600.62 - Step 4: Simplify right side
276,295,408.81x = 57,516,031,496,803,144 - Step 5: Solve for x
x = 57,516,031,496,803,144/276,295,408.81 - Step 6: Final answer
x = 208,168,611.07
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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.