Finding the Fourth Proportional to 1,465,698,621.40, 2,198,866,796.70 and 482,957,924.20
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Solution
The fourth proportional to 1,465,698,621.40, 2,198,866,796.70 and 482,957,924.20 is: 724,541,954.41
Step by Step Solution
- Step 1: Write the proportion equation
1,465,698,621.40 : 2,198,866,796.70 = 482,957,924.20 : x - Step 2: Convert to fraction form
1,465,698,621.40/2,198,866,796.70 = 482,957,924.20/x - Step 3: Cross multiply
1,465,698,621.40x = 2,198,866,796.70 × 482,957,924.20 - Step 4: Simplify right side
1,465,698,621.40x = 1,061,960,143,726,535,296 - Step 5: Solve for x
x = 1,061,960,143,726,535,296/1,465,698,621.40 - Step 6: Final answer
x = 724,541,954.41
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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.