Finding the Fourth Proportional to 4,782,269,930.40, 7,174,748,588.40 and 2,328,686,877.60
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Solution
The fourth proportional to 4,782,269,930.40, 7,174,748,588.40 and 2,328,686,877.60 is: 3,493,684,616.52
Step by Step Solution
- Step 1: Write the proportion equation
4,782,269,930.40 : 7,174,748,588.40 = 2,328,686,877.60 : x - Step 2: Convert to fraction form
4,782,269,930.40/7,174,748,588.40 = 2,328,686,877.60/x - Step 3: Cross multiply
4,782,269,930.40x = 7,174,748,588.40 × 2,328,686,877.60 - Step 4: Simplify right side
4,782,269,930.40x = 16,707,742,887,886,202,880 - Step 5: Solve for x
x = 16,707,742,887,886,202,880/4,782,269,930.40 - Step 6: Final answer
x = 3,493,684,616.52
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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.