Finding the Fourth Proportional to 1,898,912,201.45, 2,846,847,162.57 and 902,433,090.09
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Solution
The fourth proportional to 1,898,912,201.45, 2,846,847,162.57 and 902,433,090.09 is: 1,352,926,733.52
Step by Step Solution
- Step 1: Write the proportion equation
1,898,912,201.45 : 2,846,847,162.57 = 902,433,090.09 : x - Step 2: Convert to fraction form
1,898,912,201.45/2,846,847,162.57 = 902,433,090.09/x - Step 3: Cross multiply
1,898,912,201.45x = 2,846,847,162.57 × 902,433,090.09 - Step 4: Simplify right side
1,898,912,201.45x = 2,569,089,081,939,268,608 - Step 5: Solve for x
x = 2,569,089,081,939,268,608/1,898,912,201.45 - Step 6: Final answer
x = 1,352,926,733.52
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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.