Finding the Fourth Proportional to 199,585,331.70, 299,377,997.55 and 199,585,331.70
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Solution
The fourth proportional to 199,585,331.70, 299,377,997.55 and 199,585,331.70 is: 299,377,997.55
Step by Step Solution
- Step 1: Write the proportion equation
199,585,331.70 : 299,377,997.55 = 199,585,331.70 : x - Step 2: Convert to fraction form
199,585,331.70/299,377,997.55 = 199,585,331.70/x - Step 3: Cross multiply
199,585,331.70x = 299,377,997.55 × 199,585,331.70 - Step 4: Simplify right side
199,585,331.70x = 59,751,456,944,698,536 - Step 5: Solve for x
x = 59,751,456,944,698,536/199,585,331.70 - Step 6: Final answer
x = 299,377,997.55
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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.