Finding the Fourth Proportional to 346,379,291.10, 477,822,197.88 and 214,178,027.94
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Solution
The fourth proportional to 346,379,291.10, 477,822,197.88 and 214,178,027.94 is: 295,453,621.73
Step by Step Solution
- Step 1: Write the proportion equation
346,379,291.10 : 477,822,197.88 = 214,178,027.94 : x - Step 2: Convert to fraction form
346,379,291.10/477,822,197.88 = 214,178,027.94/x - Step 3: Cross multiply
346,379,291.10x = 477,822,197.88 × 214,178,027.94 - Step 4: Simplify right side
346,379,291.10x = 102,339,016,047,894,848 - Step 5: Solve for x
x = 102,339,016,047,894,848/346,379,291.10 - Step 6: Final answer
x = 295,453,621.73
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.