Finding the Fourth Proportional to 1,861,129,667,656.30, 2,792,542,743,913 and 955,203,655,632
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Solution
The fourth proportional to 1,861,129,667,656.30, 2,792,542,743,913 and 955,203,655,632 is: 1,433,240,834,236.66
Step by Step Solution
- Step 1: Write the proportion equation
1,861,129,667,656.30 : 2,792,542,743,913 = 955,203,655,632 : x - Step 2: Convert to fraction form
1,861,129,667,656.30/2,792,542,743,913 = 955,203,655,632/x - Step 3: Cross multiply
1,861,129,667,656.30x = 2,792,542,743,913 × 955,203,655,632 - Step 4: Simplify right side
1,861,129,667,656.30x = 2,667,447,037,494,313,604,874,240 - Step 5: Solve for x
x = 2,667,447,037,494,313,604,874,240/1,861,129,667,656.30 - Step 6: Final answer
x = 1,433,240,834,236.66
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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.