Finding the Fourth Proportional to 276,634,650.60, 415,430,272.80 and 147,494,487.60
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Solution
The fourth proportional to 276,634,650.60, 415,430,272.80 and 147,494,487.60 is: 221,496,747.02
Step by Step Solution
- Step 1: Write the proportion equation
276,634,650.60 : 415,430,272.80 = 147,494,487.60 : x - Step 2: Convert to fraction form
276,634,650.60/415,430,272.80 = 147,494,487.60/x - Step 3: Cross multiply
276,634,650.60x = 415,430,272.80 × 147,494,487.60 - Step 4: Simplify right side
276,634,650.60x = 61,273,675,220,164,216 - Step 5: Solve for x
x = 61,273,675,220,164,216/276,634,650.60 - Step 6: Final answer
x = 221,496,747.02
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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.