Finding the Fourth Proportional to 1,634,722,148.99, 2,450,091,121.57 and 847,341,711.62
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Solution
The fourth proportional to 1,634,722,148.99, 2,450,091,121.57 and 847,341,711.62 is: 1,269,979,981.52
Step by Step Solution
- Step 1: Write the proportion equation
1,634,722,148.99 : 2,450,091,121.57 = 847,341,711.62 : x - Step 2: Convert to fraction form
1,634,722,148.99/2,450,091,121.57 = 847,341,711.62/x - Step 3: Cross multiply
1,634,722,148.99x = 2,450,091,121.57 × 847,341,711.62 - Step 4: Simplify right side
1,634,722,148.99x = 2,076,064,404,574,043,392 - Step 5: Solve for x
x = 2,076,064,404,574,043,392/1,634,722,148.99 - Step 6: Final answer
x = 1,269,979,981.52
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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.