Finding the Fourth Proportional to 1,890,581,955.92, 2,836,294,548.60 and 580,616,209.70
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Solution
The fourth proportional to 1,890,581,955.92, 2,836,294,548.60 and 580,616,209.70 is: 871,053,796.55
Step by Step Solution
- Step 1: Write the proportion equation
1,890,581,955.92 : 2,836,294,548.60 = 580,616,209.70 : x - Step 2: Convert to fraction form
1,890,581,955.92/2,836,294,548.60 = 580,616,209.70/x - Step 3: Cross multiply
1,890,581,955.92x = 2,836,294,548.60 × 580,616,209.70 - Step 4: Simplify right side
1,890,581,955.92x = 1,646,798,590,400,904,448 - Step 5: Solve for x
x = 1,646,798,590,400,904,448/1,890,581,955.92 - Step 6: Final answer
x = 871,053,796.55
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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.