Finding the Fourth Proportional to 1,413,504,014.70, 2,120,256,022.05 and 801,283,982.70
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Solution
The fourth proportional to 1,413,504,014.70, 2,120,256,022.05 and 801,283,982.70 is: 1,201,925,974.05
Step by Step Solution
- Step 1: Write the proportion equation
1,413,504,014.70 : 2,120,256,022.05 = 801,283,982.70 : x - Step 2: Convert to fraction form
1,413,504,014.70/2,120,256,022.05 = 801,283,982.70/x - Step 3: Cross multiply
1,413,504,014.70x = 2,120,256,022.05 × 801,283,982.70 - Step 4: Simplify right side
1,413,504,014.70x = 1,698,927,189,691,883,008 - Step 5: Solve for x
x = 1,698,927,189,691,883,008/1,413,504,014.70 - Step 6: Final answer
x = 1,201,925,974.05
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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.