Finding the Fourth Proportional to 7,922,202,260.40, 11,883,303,390.60 and 4,248,882,068.40
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Solution
The fourth proportional to 7,922,202,260.40, 11,883,303,390.60 and 4,248,882,068.40 is: 6,373,323,102.60
Step by Step Solution
- Step 1: Write the proportion equation
7,922,202,260.40 : 11,883,303,390.60 = 4,248,882,068.40 : x - Step 2: Convert to fraction form
7,922,202,260.40/11,883,303,390.60 = 4,248,882,068.40/x - Step 3: Cross multiply
7,922,202,260.40x = 11,883,303,390.60 × 4,248,882,068.40 - Step 4: Simplify right side
7,922,202,260.40x = 50,490,754,689,677,262,848 - Step 5: Solve for x
x = 50,490,754,689,677,262,848/7,922,202,260.40 - Step 6: Final answer
x = 6,373,323,102.60
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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.