Finding the Fourth Proportional to 1,540,623,360.75, 2,125,880,875.95 and 862,477,445.97
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Solution
The fourth proportional to 1,540,623,360.75, 2,125,880,875.95 and 862,477,445.97 is: 1,190,118,464.41
Step by Step Solution
- Step 1: Write the proportion equation
1,540,623,360.75 : 2,125,880,875.95 = 862,477,445.97 : x - Step 2: Convert to fraction form
1,540,623,360.75/2,125,880,875.95 = 862,477,445.97/x - Step 3: Cross multiply
1,540,623,360.75x = 2,125,880,875.95 × 862,477,445.97 - Step 4: Simplify right side
1,540,623,360.75x = 1,833,524,308,325,822,464 - Step 5: Solve for x
x = 1,833,524,308,325,822,464/1,540,623,360.75 - Step 6: Final answer
x = 1,190,118,464.41
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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.