Finding the Fourth Proportional to 2,720,596,403,999.60, 4,080,909,862,809.20 and 907,467,042,789.80
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Solution
The fourth proportional to 2,720,596,403,999.60, 4,080,909,862,809.20 and 907,467,042,789.80 is: 1,361,205,653,161.53
Step by Step Solution
- Step 1: Write the proportion equation
2,720,596,403,999.60 : 4,080,909,862,809.20 = 907,467,042,789.80 : x - Step 2: Convert to fraction form
2,720,596,403,999.60/4,080,909,862,809.20 = 907,467,042,789.80/x - Step 3: Cross multiply
2,720,596,403,999.60x = 4,080,909,862,809.20 × 907,467,042,789.80 - Step 4: Simplify right side
2,720,596,403,999.60x = 3,703,291,205,095,193,286,017,024 - Step 5: Solve for x
x = 3,703,291,205,095,193,286,017,024/2,720,596,403,999.60 - Step 6: Final answer
x = 1,361,205,653,161.53
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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.