Finding the Fourth Proportional to 197,962,331.80, 277,721,220.80 and 197,962,331.80
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Solution
The fourth proportional to 197,962,331.80, 277,721,220.80 and 197,962,331.80 is: 277,721,220.80
Step by Step Solution
- Step 1: Write the proportion equation
197,962,331.80 : 277,721,220.80 = 197,962,331.80 : x - Step 2: Convert to fraction form
197,962,331.80/277,721,220.80 = 197,962,331.80/x - Step 3: Cross multiply
197,962,331.80x = 277,721,220.80 × 197,962,331.80 - Step 4: Simplify right side
197,962,331.80x = 54,978,340,459,910,664 - Step 5: Solve for x
x = 54,978,340,459,910,664/197,962,331.80 - Step 6: Final answer
x = 277,721,220.80
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.