Finding the Fourth Proportional to 331,776,230.10, 497,664,345.15 and 309,101,414.10
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Solution
The fourth proportional to 331,776,230.10, 497,664,345.15 and 309,101,414.10 is: 463,652,121.15
Step by Step Solution
- Step 1: Write the proportion equation
331,776,230.10 : 497,664,345.15 = 309,101,414.10 : x - Step 2: Convert to fraction form
331,776,230.10/497,664,345.15 = 309,101,414.10/x - Step 3: Cross multiply
331,776,230.10x = 497,664,345.15 × 309,101,414.10 - Step 4: Simplify right side
331,776,230.10x = 153,828,752,833,015,488 - Step 5: Solve for x
x = 153,828,752,833,015,488/331,776,230.10 - Step 6: Final answer
x = 463,652,121.15
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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.