Finding the Fourth Proportional to 557,440,101.80, 836,160,152.70 and 193,934,457.80
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Solution
The fourth proportional to 557,440,101.80, 836,160,152.70 and 193,934,457.80 is: 290,901,686.70
Step by Step Solution
- Step 1: Write the proportion equation
557,440,101.80 : 836,160,152.70 = 193,934,457.80 : x - Step 2: Convert to fraction form
557,440,101.80/836,160,152.70 = 193,934,457.80/x - Step 3: Cross multiply
557,440,101.80x = 836,160,152.70 × 193,934,457.80 - Step 4: Simplify right side
557,440,101.80x = 162,160,265,847,839,712 - Step 5: Solve for x
x = 162,160,265,847,839,712/557,440,101.80 - Step 6: Final answer
x = 290,901,686.70
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Similar ratio
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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.