Finding the Fourth Proportional to 2,380,196,625.20, 3,570,294,937.80 and 2,121,703,722.80
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Solution
The fourth proportional to 2,380,196,625.20, 3,570,294,937.80 and 2,121,703,722.80 is: 3,182,555,584.20
Step by Step Solution
- Step 1: Write the proportion equation
2,380,196,625.20 : 3,570,294,937.80 = 2,121,703,722.80 : x - Step 2: Convert to fraction form
2,380,196,625.20/3,570,294,937.80 = 2,121,703,722.80/x - Step 3: Cross multiply
2,380,196,625.20x = 3,570,294,937.80 × 2,121,703,722.80 - Step 4: Simplify right side
2,380,196,625.20x = 7,575,108,061,024,254,976 - Step 5: Solve for x
x = 7,575,108,061,024,254,976/2,380,196,625.20 - Step 6: Final answer
x = 3,182,555,584.20
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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.