Finding the Fourth Proportional to 1,891,221,920,602.70, 2,836,246,163,831.50 and 682,315,175,530.62
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Solution
The fourth proportional to 1,891,221,920,602.70, 2,836,246,163,831.50 and 682,315,175,530.62 is: 1,023,261,087,469.85
Step by Step Solution
- Step 1: Write the proportion equation
1,891,221,920,602.70 : 2,836,246,163,831.50 = 682,315,175,530.62 : x - Step 2: Convert to fraction form
1,891,221,920,602.70/2,836,246,163,831.50 = 682,315,175,530.62/x - Step 3: Cross multiply
1,891,221,920,602.70x = 2,836,246,163,831.50 × 682,315,175,530.62 - Step 4: Simplify right side
1,891,221,920,602.70x = 1,935,213,799,122,737,395,924,992 - Step 5: Solve for x
x = 1,935,213,799,122,737,395,924,992/1,891,221,920,602.70 - Step 6: Final answer
x = 1,023,261,087,469.85
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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.