Finding the Fourth Proportional to 725,130,282,559.50, 1,000,682,900,963.20 and 395,540,503,292.13
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Solution
The fourth proportional to 725,130,282,559.50, 1,000,682,900,963.20 and 395,540,503,292.13 is: 545,847,591,533.09
Step by Step Solution
- Step 1: Write the proportion equation
725,130,282,559.50 : 1,000,682,900,963.20 = 395,540,503,292.13 : x - Step 2: Convert to fraction form
725,130,282,559.50/1,000,682,900,963.20 = 395,540,503,292.13/x - Step 3: Cross multiply
725,130,282,559.50x = 1,000,682,900,963.20 × 395,540,503,292.13 - Step 4: Simplify right side
725,130,282,559.50x = 395,810,618,282,812,817,539,072 - Step 5: Solve for x
x = 395,810,618,282,812,817,539,072/725,130,282,559.50 - Step 6: Final answer
x = 545,847,591,533.09
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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.