Finding the Fourth Proportional to 967,683,463.80, 1,451,525,195.70 and 321,451,207.80
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Solution
The fourth proportional to 967,683,463.80, 1,451,525,195.70 and 321,451,207.80 is: 482,176,811.70
Step by Step Solution
- Step 1: Write the proportion equation
967,683,463.80 : 1,451,525,195.70 = 321,451,207.80 : x - Step 2: Convert to fraction form
967,683,463.80/1,451,525,195.70 = 321,451,207.80/x - Step 3: Cross multiply
967,683,463.80x = 1,451,525,195.70 × 321,451,207.80 - Step 4: Simplify right side
967,683,463.80x = 466,594,527,309,896,384 - Step 5: Solve for x
x = 466,594,527,309,896,384/967,683,463.80 - Step 6: Final answer
x = 482,176,811.70
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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.