Finding the Fourth Proportional to 919,642,484.52, 1,379,683,359.90 and 306,232,024.68
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Solution
The fourth proportional to 919,642,484.52, 1,379,683,359.90 and 306,232,024.68 is: 459,421,172.72
Step by Step Solution
- Step 1: Write the proportion equation
919,642,484.52 : 1,379,683,359.90 = 306,232,024.68 : x - Step 2: Convert to fraction form
919,642,484.52/1,379,683,359.90 = 306,232,024.68/x - Step 3: Cross multiply
919,642,484.52x = 1,379,683,359.90 × 306,232,024.68 - Step 4: Simplify right side
919,642,484.52x = 422,503,228,719,482,176 - Step 5: Solve for x
x = 422,503,228,719,482,176/919,642,484.52 - Step 6: Final answer
x = 459,421,172.72
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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.