Finding the Fourth Proportional to 1,896,434,104.80, 2,844,651,157.20 and 805,775,455.20
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Solution
The fourth proportional to 1,896,434,104.80, 2,844,651,157.20 and 805,775,455.20 is: 1,208,663,182.80
Step by Step Solution
- Step 1: Write the proportion equation
1,896,434,104.80 : 2,844,651,157.20 = 805,775,455.20 : x - Step 2: Convert to fraction form
1,896,434,104.80/2,844,651,157.20 = 805,775,455.20/x - Step 3: Cross multiply
1,896,434,104.80x = 2,844,651,157.20 × 805,775,455.20 - Step 4: Simplify right side
1,896,434,104.80x = 2,292,150,081,078,036,736 - Step 5: Solve for x
x = 2,292,150,081,078,036,736/1,896,434,104.80 - Step 6: Final answer
x = 1,208,663,182.80
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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.