Finding the Fourth Proportional to 7,261,260,493.44, 10,020,806,763.84 and 4,046,459,373.12
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Solution
The fourth proportional to 7,261,260,493.44, 10,020,806,763.84 and 4,046,459,373.12 is: 5,584,262,882.79
Step by Step Solution
- Step 1: Write the proportion equation
7,261,260,493.44 : 10,020,806,763.84 = 4,046,459,373.12 : x - Step 2: Convert to fraction form
7,261,260,493.44/10,020,806,763.84 = 4,046,459,373.12/x - Step 3: Cross multiply
7,261,260,493.44x = 10,020,806,763.84 × 4,046,459,373.12 - Step 4: Simplify right side
7,261,260,493.44x = 40,548,787,455,764,660,224 - Step 5: Solve for x
x = 40,548,787,455,764,660,224/7,261,260,493.44 - Step 6: Final answer
x = 5,584,262,882.79
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.