Finding the Fourth Proportional to 768,730,197.96, 1,153,291,930.14 and 223,471,731.96
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Solution
The fourth proportional to 768,730,197.96, 1,153,291,930.14 and 223,471,731.96 is: 335,264,759.69
Step by Step Solution
- Step 1: Write the proportion equation
768,730,197.96 : 1,153,291,930.14 = 223,471,731.96 : x - Step 2: Convert to fraction form
768,730,197.96/1,153,291,930.14 = 223,471,731.96/x - Step 3: Cross multiply
768,730,197.96x = 1,153,291,930.14 × 223,471,731.96 - Step 4: Simplify right side
768,730,197.96x = 257,728,145,083,877,152 - Step 5: Solve for x
x = 257,728,145,083,877,152/768,730,197.96 - Step 6: Final answer
x = 335,264,759.69
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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.