Finding the Fourth Proportional to 4,173,126,410.40, 6,259,689,615.60 and 2,238,208,778.40
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Solution
The fourth proportional to 4,173,126,410.40, 6,259,689,615.60 and 2,238,208,778.40 is: 3,357,313,167.60
Step by Step Solution
- Step 1: Write the proportion equation
4,173,126,410.40 : 6,259,689,615.60 = 2,238,208,778.40 : x - Step 2: Convert to fraction form
4,173,126,410.40/6,259,689,615.60 = 2,238,208,778.40/x - Step 3: Cross multiply
4,173,126,410.40x = 6,259,689,615.60 × 2,238,208,778.40 - Step 4: Simplify right side
4,173,126,410.40x = 14,010,492,247,695,243,264 - Step 5: Solve for x
x = 14,010,492,247,695,243,264/4,173,126,410.40 - Step 6: Final answer
x = 3,357,313,167.60
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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.