Finding the Fourth Proportional to 1,206,104,954.70, 1,809,157,432.05 and 1,083,660,948.30
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Solution
The fourth proportional to 1,206,104,954.70, 1,809,157,432.05 and 1,083,660,948.30 is: 1,625,491,422.45
Step by Step Solution
- Step 1: Write the proportion equation
1,206,104,954.70 : 1,809,157,432.05 = 1,083,660,948.30 : x - Step 2: Convert to fraction form
1,206,104,954.70/1,809,157,432.05 = 1,083,660,948.30/x - Step 3: Cross multiply
1,206,104,954.70x = 1,809,157,432.05 × 1,083,660,948.30 - Step 4: Simplify right side
1,206,104,954.70x = 1,960,513,258,439,295,744 - Step 5: Solve for x
x = 1,960,513,258,439,295,744/1,206,104,954.70 - Step 6: Final answer
x = 1,625,491,422.45
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1.5x scale
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.