Finding the Fourth Proportional to 2,190,486,075.09, 3,023,913,141.83 and 1,467,518,867.20
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Solution
The fourth proportional to 2,190,486,075.09, 3,023,913,141.83 and 1,467,518,867.20 is: 2,025,874,365.92
Step by Step Solution
- Step 1: Write the proportion equation
2,190,486,075.09 : 3,023,913,141.83 = 1,467,518,867.20 : x - Step 2: Convert to fraction form
2,190,486,075.09/3,023,913,141.83 = 1,467,518,867.20/x - Step 3: Cross multiply
2,190,486,075.09x = 3,023,913,141.83 × 1,467,518,867.20 - Step 4: Simplify right side
2,190,486,075.09x = 4,437,649,588,417,154,048 - Step 5: Solve for x
x = 4,437,649,588,417,154,048/2,190,486,075.09 - Step 6: Final answer
x = 2,025,874,365.92
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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.