Finding the Fourth Proportional to 2,720,596,403,986.20, 4,080,909,862,790.30 and 907,467,042,776.80
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Solution
The fourth proportional to 2,720,596,403,986.20, 4,080,909,862,790.30 and 907,467,042,776.80 is: 1,361,205,653,142.43
Step by Step Solution
- Step 1: Write the proportion equation
2,720,596,403,986.20 : 4,080,909,862,790.30 = 907,467,042,776.80 : x - Step 2: Convert to fraction form
2,720,596,403,986.20/4,080,909,862,790.30 = 907,467,042,776.80/x - Step 3: Cross multiply
2,720,596,403,986.20x = 4,080,909,862,790.30 × 907,467,042,776.80 - Step 4: Simplify right side
2,720,596,403,986.20x = 3,703,291,205,024,990,434,951,168 - Step 5: Solve for x
x = 3,703,291,205,024,990,434,951,168/2,720,596,403,986.20 - Step 6: Final answer
x = 1,361,205,653,142.43
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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.