Finding the Fourth Proportional to 302,455,803.20, 453,683,704.80 and 149,175,291.20
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Solution
The fourth proportional to 302,455,803.20, 453,683,704.80 and 149,175,291.20 is: 223,762,936.80
Step by Step Solution
- Step 1: Write the proportion equation
302,455,803.20 : 453,683,704.80 = 149,175,291.20 : x - Step 2: Convert to fraction form
302,455,803.20/453,683,704.80 = 149,175,291.20/x - Step 3: Cross multiply
302,455,803.20x = 453,683,704.80 × 149,175,291.20 - Step 4: Simplify right side
302,455,803.20x = 67,678,398,776,234,832 - Step 5: Solve for x
x = 67,678,398,776,234,832/302,455,803.20 - Step 6: Final answer
x = 223,762,936.80
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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.