Finding the Fourth Proportional to 1,360,440,691.40, 2,040,860,102.70 and 440,160,422.60
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Solution
The fourth proportional to 1,360,440,691.40, 2,040,860,102.70 and 440,160,422.60 is: 660,305,040.09
Step by Step Solution
- Step 1: Write the proportion equation
1,360,440,691.40 : 2,040,860,102.70 = 440,160,422.60 : x - Step 2: Convert to fraction form
1,360,440,691.40/2,040,860,102.70 = 440,160,422.60/x - Step 3: Cross multiply
1,360,440,691.40x = 2,040,860,102.70 × 440,160,422.60 - Step 4: Simplify right side
1,360,440,691.40x = 898,305,845,271,911,424 - Step 5: Solve for x
x = 898,305,845,271,911,424/1,360,440,691.40 - Step 6: Final answer
x = 660,305,040.09
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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.