Finding the Fourth Proportional to 1,374,984,286.68, 1,897,524,148.74 and 772,261,124.46
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Solution
The fourth proportional to 1,374,984,286.68, 1,897,524,148.74 and 772,261,124.46 is: 1,065,746,093.97
Step by Step Solution
- Step 1: Write the proportion equation
1,374,984,286.68 : 1,897,524,148.74 = 772,261,124.46 : x - Step 2: Convert to fraction form
1,374,984,286.68/1,897,524,148.74 = 772,261,124.46/x - Step 3: Cross multiply
1,374,984,286.68x = 1,897,524,148.74 × 772,261,124.46 - Step 4: Simplify right side
1,374,984,286.68x = 1,465,384,132,795,956,736 - Step 5: Solve for x
x = 1,465,384,132,795,956,736/1,374,984,286.68 - Step 6: Final answer
x = 1,065,746,093.97
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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.