Finding the Fourth Proportional to 913,450,545.46, 1,260,573,845.97 and 495,767,837.62
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Solution
The fourth proportional to 913,450,545.46, 1,260,573,845.97 and 495,767,837.62 is: 684,166,179.42
Step by Step Solution
- Step 1: Write the proportion equation
913,450,545.46 : 1,260,573,845.97 = 495,767,837.62 : x - Step 2: Convert to fraction form
913,450,545.46/1,260,573,845.97 = 495,767,837.62/x - Step 3: Cross multiply
913,450,545.46x = 1,260,573,845.97 × 495,767,837.62 - Step 4: Simplify right side
913,450,545.46x = 624,951,969,776,873,856 - Step 5: Solve for x
x = 624,951,969,776,873,856/913,450,545.46 - Step 6: Final answer
x = 684,166,179.42
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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.