Finding the Fourth Proportional to 471,168,343.80, 706,752,515.70 and 183,954,007.80
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Solution
The fourth proportional to 471,168,343.80, 706,752,515.70 and 183,954,007.80 is: 275,931,011.70
Step by Step Solution
- Step 1: Write the proportion equation
471,168,343.80 : 706,752,515.70 = 183,954,007.80 : x - Step 2: Convert to fraction form
471,168,343.80/706,752,515.70 = 183,954,007.80/x - Step 3: Cross multiply
471,168,343.80x = 706,752,515.70 × 183,954,007.80 - Step 4: Simplify right side
471,168,343.80x = 130,009,957,785,747,440 - Step 5: Solve for x
x = 130,009,957,785,747,440/471,168,343.80 - Step 6: Final answer
x = 275,931,011.70
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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.