Finding the Fourth Proportional to 23,990,079,135.71, 33,107,349,879.63 and 13,285,199,853.81
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Solution
The fourth proportional to 23,990,079,135.71, 33,107,349,879.63 and 13,285,199,853.81 is: 18,334,152,100.66
Step by Step Solution
- Step 1: Write the proportion equation
23,990,079,135.71 : 33,107,349,879.63 = 13,285,199,853.81 : x - Step 2: Convert to fraction form
23,990,079,135.71/33,107,349,879.63 = 13,285,199,853.81/x - Step 3: Cross multiply
23,990,079,135.71x = 33,107,349,879.63 × 13,285,199,853.81 - Step 4: Simplify right side
23,990,079,135.71x = 439,837,759,780,896,964,608 - Step 5: Solve for x
x = 439,837,759,780,896,964,608/23,990,079,135.71 - Step 6: Final answer
x = 18,334,152,100.66
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.