Finding the Fourth Proportional to 297,391,803.70, 410,411,764.92 and 178,333,779.70
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Solution
The fourth proportional to 297,391,803.70, 410,411,764.92 and 178,333,779.70 is: 246,107,257.70
Step by Step Solution
- Step 1: Write the proportion equation
297,391,803.70 : 410,411,764.92 = 178,333,779.70 : x - Step 2: Convert to fraction form
297,391,803.70/410,411,764.92 = 178,333,779.70/x - Step 3: Cross multiply
297,391,803.70x = 410,411,764.92 × 178,333,779.70 - Step 4: Simplify right side
297,391,803.70x = 73,190,281,270,349,696 - Step 5: Solve for x
x = 73,190,281,270,349,696/297,391,803.70 - Step 6: Final answer
x = 246,107,257.70
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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.