Finding the Fourth Proportional to 331,992,023.80, 497,988,035.70 and 170,748,887.80
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Solution
The fourth proportional to 331,992,023.80, 497,988,035.70 and 170,748,887.80 is: 256,123,331.70
Step by Step Solution
- Step 1: Write the proportion equation
331,992,023.80 : 497,988,035.70 = 170,748,887.80 : x - Step 2: Convert to fraction form
331,992,023.80/497,988,035.70 = 170,748,887.80/x - Step 3: Cross multiply
331,992,023.80x = 497,988,035.70 × 170,748,887.80 - Step 4: Simplify right side
331,992,023.80x = 85,030,903,233,481,696 - Step 5: Solve for x
x = 85,030,903,233,481,696/331,992,023.80 - Step 6: Final answer
x = 256,123,331.70
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1.5x scale
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.