Finding the Fourth Proportional to 299,558,497.40, 449,337,746.10 and 266,115,476.60
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Solution
The fourth proportional to 299,558,497.40, 449,337,746.10 and 266,115,476.60 is: 399,173,214.90
Step by Step Solution
- Step 1: Write the proportion equation
299,558,497.40 : 449,337,746.10 = 266,115,476.60 : x - Step 2: Convert to fraction form
299,558,497.40/449,337,746.10 = 266,115,476.60/x - Step 3: Cross multiply
299,558,497.40x = 449,337,746.10 × 266,115,476.60 - Step 4: Simplify right side
299,558,497.40x = 119,575,728,457,771,296 - Step 5: Solve for x
x = 119,575,728,457,771,296/299,558,497.40 - Step 6: Final answer
x = 399,173,214.90
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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.