Finding the Fourth Proportional to 2,518,023,161.09, 3,474,810,598.17 and 1,388,968,203.70
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Solution
The fourth proportional to 2,518,023,161.09, 3,474,810,598.17 and 1,388,968,203.70 is: 1,916,742,272.00
Step by Step Solution
- Step 1: Write the proportion equation
2,518,023,161.09 : 3,474,810,598.17 = 1,388,968,203.70 : x - Step 2: Convert to fraction form
2,518,023,161.09/3,474,810,598.17 = 1,388,968,203.70/x - Step 3: Cross multiply
2,518,023,161.09x = 3,474,810,598.17 × 1,388,968,203.70 - Step 4: Simplify right side
2,518,023,161.09x = 4,826,401,434,747,563,008 - Step 5: Solve for x
x = 4,826,401,434,747,563,008/2,518,023,161.09 - Step 6: Final answer
x = 1,916,742,272.00
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1.5x scale
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.