Finding the Fourth Proportional to 3,957,798,784.70, 5,936,698,177.05 and 3,027,989,611.10
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Solution
The fourth proportional to 3,957,798,784.70, 5,936,698,177.05 and 3,027,989,611.10 is: 4,541,984,416.65
Step by Step Solution
- Step 1: Write the proportion equation
3,957,798,784.70 : 5,936,698,177.05 = 3,027,989,611.10 : x - Step 2: Convert to fraction form
3,957,798,784.70/5,936,698,177.05 = 3,027,989,611.10/x - Step 3: Cross multiply
3,957,798,784.70x = 5,936,698,177.05 × 3,027,989,611.10 - Step 4: Simplify right side
3,957,798,784.70x = 17,976,260,404,343,707,648 - Step 5: Solve for x
x = 17,976,260,404,343,707,648/3,957,798,784.70 - Step 6: Final answer
x = 4,541,984,416.65
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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.