Finding the Fourth Proportional to 331,423,427.13, 497,278,498.55 and 177,890,122.23
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Solution
The fourth proportional to 331,423,427.13, 497,278,498.55 and 177,890,122.23 is: 266,912,130.06
Step by Step Solution
- Step 1: Write the proportion equation
331,423,427.13 : 497,278,498.55 = 177,890,122.23 : x - Step 2: Convert to fraction form
331,423,427.13/497,278,498.55 = 177,890,122.23/x - Step 3: Cross multiply
331,423,427.13x = 497,278,498.55 × 177,890,122.23 - Step 4: Simplify right side
331,423,427.13x = 88,460,932,888,520,928 - Step 5: Solve for x
x = 88,460,932,888,520,928/331,423,427.13 - Step 6: Final answer
x = 266,912,130.06
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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.