Finding the Fourth Proportional to 1,361,498,540.44, 1,879,735,492.09 and 1,111,199,980.81
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Solution
The fourth proportional to 1,361,498,540.44, 1,879,735,492.09 and 1,111,199,980.81 is: 1,534,163,997.02
Step by Step Solution
- Step 1: Write the proportion equation
1,361,498,540.44 : 1,879,735,492.09 = 1,111,199,980.81 : x - Step 2: Convert to fraction form
1,361,498,540.44/1,879,735,492.09 = 1,111,199,980.81/x - Step 3: Cross multiply
1,361,498,540.44x = 1,879,735,492.09 × 1,111,199,980.81 - Step 4: Simplify right side
1,361,498,540.44x = 2,088,762,042,738,283,776 - Step 5: Solve for x
x = 2,088,762,042,738,283,776/1,361,498,540.44 - Step 6: Final answer
x = 1,534,163,997.02
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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.