Finding the Fourth Proportional to 1,295,623,170.80, 1,941,083,293.80 and 748,740,201.20
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Solution
The fourth proportional to 1,295,623,170.80, 1,941,083,293.80 and 748,740,201.20 is: 1,121,751,392.46
Step by Step Solution
- Step 1: Write the proportion equation
1,295,623,170.80 : 1,941,083,293.80 = 748,740,201.20 : x - Step 2: Convert to fraction form
1,295,623,170.80/1,941,083,293.80 = 748,740,201.20/x - Step 3: Cross multiply
1,295,623,170.80x = 1,941,083,293.80 × 748,740,201.20 - Step 4: Simplify right side
1,295,623,170.80x = 1,453,367,095,945,770,752 - Step 5: Solve for x
x = 1,453,367,095,945,770,752/1,295,623,170.80 - Step 6: Final answer
x = 1,121,751,392.46
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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.