Finding the Fourth Proportional to 7,918,220,718.40, 11,874,307,768.80 and 2,395,643,310.40
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Solution
The fourth proportional to 7,918,220,718.40, 11,874,307,768.80 and 2,395,643,310.40 is: 3,592,550,269.01
Step by Step Solution
- Step 1: Write the proportion equation
7,918,220,718.40 : 11,874,307,768.80 = 2,395,643,310.40 : x - Step 2: Convert to fraction form
7,918,220,718.40/11,874,307,768.80 = 2,395,643,310.40/x - Step 3: Cross multiply
7,918,220,718.40x = 11,874,307,768.80 × 2,395,643,310.40 - Step 4: Simplify right side
7,918,220,718.40x = 28,446,605,971,956,469,760 - Step 5: Solve for x
x = 28,446,605,971,956,469,760/7,918,220,718.40 - Step 6: Final answer
x = 3,592,550,269.01
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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.