Finding the Fourth Proportional to 618,832,126.26, 928,353,942.99 and 255,127,662.90
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Solution
The fourth proportional to 618,832,126.26, 928,353,942.99 and 255,127,662.90 is: 382,735,093.68
Step by Step Solution
- Step 1: Write the proportion equation
618,832,126.26 : 928,353,942.99 = 255,127,662.90 : x - Step 2: Convert to fraction form
618,832,126.26/928,353,942.99 = 255,127,662.90/x - Step 3: Cross multiply
618,832,126.26x = 928,353,942.99 × 255,127,662.90 - Step 4: Simplify right side
618,832,126.26x = 236,848,771,819,038,560 - Step 5: Solve for x
x = 236,848,771,819,038,560/618,832,126.26 - Step 6: Final answer
x = 382,735,093.68
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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.