Finding the Fourth Proportional to 2,904,336,471.80, 4,356,504,707.70 and 939,185,751.80
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Solution
The fourth proportional to 2,904,336,471.80, 4,356,504,707.70 and 939,185,751.80 is: 1,408,778,627.70
Step by Step Solution
- Step 1: Write the proportion equation
2,904,336,471.80 : 4,356,504,707.70 = 939,185,751.80 : x - Step 2: Convert to fraction form
2,904,336,471.80/4,356,504,707.70 = 939,185,751.80/x - Step 3: Cross multiply
2,904,336,471.80x = 4,356,504,707.70 × 939,185,751.80 - Step 4: Simplify right side
2,904,336,471.80x = 4,091,567,149,121,463,296 - Step 5: Solve for x
x = 4,091,567,149,121,463,296/2,904,336,471.80 - Step 6: Final answer
x = 1,408,778,627.70
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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.