Finding the Fourth Proportional to 2,120,276,041.58, 3,180,758,860.02 and 626,459,163.50
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Solution
The fourth proportional to 2,120,276,041.58, 3,180,758,860.02 and 626,459,163.50 is: 939,790,619.55
Step by Step Solution
- Step 1: Write the proportion equation
2,120,276,041.58 : 3,180,758,860.02 = 626,459,163.50 : x - Step 2: Convert to fraction form
2,120,276,041.58/3,180,758,860.02 = 626,459,163.50/x - Step 3: Cross multiply
2,120,276,041.58x = 3,180,758,860.02 × 626,459,163.50 - Step 4: Simplify right side
2,120,276,041.58x = 1,992,615,534,743,342,848 - Step 5: Solve for x
x = 1,992,615,534,743,342,848/2,120,276,041.58 - Step 6: Final answer
x = 939,790,619.55
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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.