Finding the Fourth Proportional to 828,880,473.66, 1,241,338,617.07 and 478,062,960.18
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Solution
The fourth proportional to 828,880,473.66, 1,241,338,617.07 and 478,062,960.18 is: 715,951,253.19
Step by Step Solution
- Step 1: Write the proportion equation
828,880,473.66 : 1,241,338,617.07 = 478,062,960.18 : x - Step 2: Convert to fraction form
828,880,473.66/1,241,338,617.07 = 478,062,960.18/x - Step 3: Cross multiply
828,880,473.66x = 1,241,338,617.07 × 478,062,960.18 - Step 4: Simplify right side
828,880,473.66x = 593,438,013,856,381,568 - Step 5: Solve for x
x = 593,438,013,856,381,568/828,880,473.66 - Step 6: Final answer
x = 715,951,253.19
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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.