Finding the Fourth Proportional to 291,344,447.70, 437,016,671.55 and 277,907,519.70
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Solution
The fourth proportional to 291,344,447.70, 437,016,671.55 and 277,907,519.70 is: 416,861,279.55
Step by Step Solution
- Step 1: Write the proportion equation
291,344,447.70 : 437,016,671.55 = 277,907,519.70 : x - Step 2: Convert to fraction form
291,344,447.70/437,016,671.55 = 277,907,519.70/x - Step 3: Cross multiply
291,344,447.70x = 437,016,671.55 × 277,907,519.70 - Step 4: Simplify right side
291,344,447.70x = 121,450,219,258,010,048 - Step 5: Solve for x
x = 121,450,219,258,010,048/291,344,447.70 - Step 6: Final answer
x = 416,861,279.55
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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.