Finding the Fourth Proportional to 1,294,170,801.40, 1,941,256,202.10 and 880,922,279.80
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Solution
The fourth proportional to 1,294,170,801.40, 1,941,256,202.10 and 880,922,279.80 is: 1,321,383,419.70
Step by Step Solution
- Step 1: Write the proportion equation
1,294,170,801.40 : 1,941,256,202.10 = 880,922,279.80 : x - Step 2: Convert to fraction form
1,294,170,801.40/1,941,256,202.10 = 880,922,279.80/x - Step 3: Cross multiply
1,294,170,801.40x = 1,941,256,202.10 × 880,922,279.80 - Step 4: Simplify right side
1,294,170,801.40x = 1,710,095,839,229,821,440 - Step 5: Solve for x
x = 1,710,095,839,229,821,440/1,294,170,801.40 - Step 6: Final answer
x = 1,321,383,419.70
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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.