Finding the Fourth Proportional to 2,247,785,786.74, 3,370,516,923.84 and 986,733,768.10
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Solution
The fourth proportional to 2,247,785,786.74, 3,370,516,923.84 and 986,733,768.10 is: 1,479,590,663.99
Step by Step Solution
- Step 1: Write the proportion equation
2,247,785,786.74 : 3,370,516,923.84 = 986,733,768.10 : x - Step 2: Convert to fraction form
2,247,785,786.74/3,370,516,923.84 = 986,733,768.10/x - Step 3: Cross multiply
2,247,785,786.74x = 3,370,516,923.84 × 986,733,768.10 - Step 4: Simplify right side
2,247,785,786.74x = 3,325,802,864,705,464,320 - Step 5: Solve for x
x = 3,325,802,864,705,464,320/2,247,785,786.74 - Step 6: Final answer
x = 1,479,590,663.99
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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.