Finding the Fourth Proportional to 967,683,076.80, 1,451,524,615.20 and 321,450,820.80
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Solution
The fourth proportional to 967,683,076.80, 1,451,524,615.20 and 321,450,820.80 is: 482,176,231.20
Step by Step Solution
- Step 1: Write the proportion equation
967,683,076.80 : 1,451,524,615.20 = 321,450,820.80 : x - Step 2: Convert to fraction form
967,683,076.80/1,451,524,615.20 = 321,450,820.80/x - Step 3: Cross multiply
967,683,076.80x = 1,451,524,615.20 × 321,450,820.80 - Step 4: Simplify right side
967,683,076.80x = 466,593,778,967,444,160 - Step 5: Solve for x
x = 466,593,778,967,444,160/967,683,076.80 - Step 6: Final answer
x = 482,176,231.20
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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.