Finding the Fourth Proportional to 7,783,430,203.32, 11,693,770,939.68 and 4,990,870,001.76
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Solution
The fourth proportional to 7,783,430,203.32, 11,693,770,939.68 and 4,990,870,001.76 is: 7,498,248,081.60
Step by Step Solution
- Step 1: Write the proportion equation
7,783,430,203.32 : 11,693,770,939.68 = 4,990,870,001.76 : x - Step 2: Convert to fraction form
7,783,430,203.32/11,693,770,939.68 = 4,990,870,001.76/x - Step 3: Cross multiply
7,783,430,203.32x = 11,693,770,939.68 × 4,990,870,001.76 - Step 4: Simplify right side
7,783,430,203.32x = 58,362,090,590,301,765,632 - Step 5: Solve for x
x = 58,362,090,590,301,765,632/7,783,430,203.32 - Step 6: Final answer
x = 7,498,248,081.60
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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.