Finding the Fourth Proportional to 313,908,678.34, 433,165,819.70 and 181,758,594.06
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Solution
The fourth proportional to 313,908,678.34, 433,165,819.70 and 181,758,594.06 is: 250,810,556.75
Step by Step Solution
- Step 1: Write the proportion equation
313,908,678.34 : 433,165,819.70 = 181,758,594.06 : x - Step 2: Convert to fraction form
313,908,678.34/433,165,819.70 = 181,758,594.06/x - Step 3: Cross multiply
313,908,678.34x = 433,165,819.70 × 181,758,594.06 - Step 4: Simplify right side
313,908,678.34x = 78,731,610,383,659,600 - Step 5: Solve for x
x = 78,731,610,383,659,600/313,908,678.34 - Step 6: Final answer
x = 250,810,556.75
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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.