Finding the Fourth Proportional to 1,741,862,412.80, 2,612,793,619.20 and 651,203,763.20
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Solution
The fourth proportional to 1,741,862,412.80, 2,612,793,619.20 and 651,203,763.20 is: 976,805,644.80
Step by Step Solution
- Step 1: Write the proportion equation
1,741,862,412.80 : 2,612,793,619.20 = 651,203,763.20 : x - Step 2: Convert to fraction form
1,741,862,412.80/2,612,793,619.20 = 651,203,763.20/x - Step 3: Cross multiply
1,741,862,412.80x = 2,612,793,619.20 × 651,203,763.20 - Step 4: Simplify right side
1,741,862,412.80x = 1,701,461,037,287,987,712 - Step 5: Solve for x
x = 1,701,461,037,287,987,712/1,741,862,412.80 - Step 6: Final answer
x = 976,805,644.80
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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.