Finding the Fourth Proportional to 4,813,762,615.96, 6,640,177,998.96 and 3,026,786,939.08
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Solution
The fourth proportional to 4,813,762,615.96, 6,640,177,998.96 and 3,026,786,939.08 is: 4,175,196,336.81
Step by Step Solution
- Step 1: Write the proportion equation
4,813,762,615.96 : 6,640,177,998.96 = 3,026,786,939.08 : x - Step 2: Convert to fraction form
4,813,762,615.96/6,640,177,998.96 = 3,026,786,939.08/x - Step 3: Cross multiply
4,813,762,615.96x = 6,640,177,998.96 × 3,026,786,939.08 - Step 4: Simplify right side
4,813,762,615.96x = 20,098,404,040,418,496,512 - Step 5: Solve for x
x = 20,098,404,040,418,496,512/4,813,762,615.96 - Step 6: Final answer
x = 4,175,196,336.81
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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.