Finding the Fourth Proportional to 725,130,283,820.97, 1,000,682,902,703.70 and 395,540,504,552.85
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Solution
The fourth proportional to 725,130,283,820.97, 1,000,682,902,703.70 and 395,540,504,552.85 is: 545,847,593,272.71
Step by Step Solution
- Step 1: Write the proportion equation
725,130,283,820.97 : 1,000,682,902,703.70 = 395,540,504,552.85 : x - Step 2: Convert to fraction form
725,130,283,820.97/1,000,682,902,703.70 = 395,540,504,552.85/x - Step 3: Cross multiply
725,130,283,820.97x = 1,000,682,902,703.70 × 395,540,504,552.85 - Step 4: Simplify right side
725,130,283,820.97x = 395,810,620,232,831,988,662,272 - Step 5: Solve for x
x = 395,810,620,232,831,988,662,272/725,130,283,820.97 - Step 6: Final answer
x = 545,847,593,272.71
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.