Finding the Fourth Proportional to 391,445,260.24, 587,396,852.88 and 145,971,481.36
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Solution
The fourth proportional to 391,445,260.24, 587,396,852.88 and 145,971,481.36 is: 219,042,603.07
Step by Step Solution
- Step 1: Write the proportion equation
391,445,260.24 : 587,396,852.88 = 145,971,481.36 : x - Step 2: Convert to fraction form
391,445,260.24/587,396,852.88 = 145,971,481.36/x - Step 3: Cross multiply
391,445,260.24x = 587,396,852.88 × 145,971,481.36 - Step 4: Simplify right side
391,445,260.24x = 85,743,188,761,095,584 - Step 5: Solve for x
x = 85,743,188,761,095,584/391,445,260.24 - Step 6: Final answer
x = 219,042,603.07
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.