Finding the Fourth Proportional to 1,540,623,350.56, 2,125,880,862.06 and 862,477,435.82
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Solution
The fourth proportional to 1,540,623,350.56, 2,125,880,862.06 and 862,477,435.82 is: 1,190,118,450.50
Step by Step Solution
- Step 1: Write the proportion equation
1,540,623,350.56 : 2,125,880,862.06 = 862,477,435.82 : x - Step 2: Convert to fraction form
1,540,623,350.56/2,125,880,862.06 = 862,477,435.82/x - Step 3: Cross multiply
1,540,623,350.56x = 2,125,880,862.06 × 862,477,435.82 - Step 4: Simplify right side
1,540,623,350.56x = 1,833,524,274,768,320,000 - Step 5: Solve for x
x = 1,833,524,274,768,320,000/1,540,623,350.56 - Step 6: Final answer
x = 1,190,118,450.50
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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.