Finding the Fourth Proportional to 3,147,247,497.60, 4,720,871,246.40 and 2,228,161,622.40
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Solution
The fourth proportional to 3,147,247,497.60, 4,720,871,246.40 and 2,228,161,622.40 is: 3,342,242,433.60
Step by Step Solution
- Step 1: Write the proportion equation
3,147,247,497.60 : 4,720,871,246.40 = 2,228,161,622.40 : x - Step 2: Convert to fraction form
3,147,247,497.60/4,720,871,246.40 = 2,228,161,622.40/x - Step 3: Cross multiply
3,147,247,497.60x = 4,720,871,246.40 × 2,228,161,622.40 - Step 4: Simplify right side
3,147,247,497.60x = 10,518,864,135,520,133,120 - Step 5: Solve for x
x = 10,518,864,135,520,133,120/3,147,247,497.60 - Step 6: Final answer
x = 3,342,242,433.60
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1.5x scale
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.