Finding the Fourth Proportional to 4,259,977,833.20, 6,389,966,749.80 and 3,534,383,721.20
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Solution
The fourth proportional to 4,259,977,833.20, 6,389,966,749.80 and 3,534,383,721.20 is: 5,301,575,581.80
Step by Step Solution
- Step 1: Write the proportion equation
4,259,977,833.20 : 6,389,966,749.80 = 3,534,383,721.20 : x - Step 2: Convert to fraction form
4,259,977,833.20/6,389,966,749.80 = 3,534,383,721.20/x - Step 3: Cross multiply
4,259,977,833.20x = 6,389,966,749.80 × 3,534,383,721.20 - Step 4: Simplify right side
4,259,977,833.20x = 22,584,594,459,502,391,296 - Step 5: Solve for x
x = 22,584,594,459,502,391,296/4,259,977,833.20 - Step 6: Final answer
x = 5,301,575,581.80
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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.