Finding the Fourth Proportional to 725,130,282,560.20, 1,000,682,900,964.20 and 395,540,503,292.84
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Solution
The fourth proportional to 725,130,282,560.20, 1,000,682,900,964.20 and 395,540,503,292.84 is: 545,847,591,534.09
Step by Step Solution
- Step 1: Write the proportion equation
725,130,282,560.20 : 1,000,682,900,964.20 = 395,540,503,292.84 : x - Step 2: Convert to fraction form
725,130,282,560.20/1,000,682,900,964.20 = 395,540,503,292.84/x - Step 3: Cross multiply
725,130,282,560.20x = 1,000,682,900,964.20 × 395,540,503,292.84 - Step 4: Simplify right side
725,130,282,560.20x = 395,810,618,283,918,838,726,656 - Step 5: Solve for x
x = 395,810,618,283,918,838,726,656/725,130,282,560.20 - Step 6: Final answer
x = 545,847,591,534.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.