Finding the Fourth Proportional to 1,899,255,118.68, 2,621,117,466.36 and 1,195,010,763.12
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Solution
The fourth proportional to 1,899,255,118.68, 2,621,117,466.36 and 1,195,010,763.12 is: 1,649,206,340.37
Step by Step Solution
- Step 1: Write the proportion equation
1,899,255,118.68 : 2,621,117,466.36 = 1,195,010,763.12 : x - Step 2: Convert to fraction form
1,899,255,118.68/2,621,117,466.36 = 1,195,010,763.12/x - Step 3: Cross multiply
1,899,255,118.68x = 2,621,117,466.36 × 1,195,010,763.12 - Step 4: Simplify right side
1,899,255,118.68x = 3,132,263,583,702,024,192 - Step 5: Solve for x
x = 3,132,263,583,702,024,192/1,899,255,118.68 - Step 6: Final answer
x = 1,649,206,340.37
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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.