Finding the Fourth Proportional to 567,017,056.21, 782,484,064.87 and 306,256,672.21
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Solution
The fourth proportional to 567,017,056.21, 782,484,064.87 and 306,256,672.21 is: 422,634,492.45
Step by Step Solution
- Step 1: Write the proportion equation
567,017,056.21 : 782,484,064.87 = 306,256,672.21 : x - Step 2: Convert to fraction form
567,017,056.21/782,484,064.87 = 306,256,672.21/x - Step 3: Cross multiply
567,017,056.21x = 782,484,064.87 × 306,256,672.21 - Step 4: Simplify right side
567,017,056.21x = 239,640,965,760,527,520 - Step 5: Solve for x
x = 239,640,965,760,527,520/567,017,056.21 - Step 6: Final answer
x = 422,634,492.45
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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.