Finding the Fourth Proportional to 266,342,408, 399,513,612 and 74,866,184
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Solution
The fourth proportional to 266,342,408, 399,513,612 and 74,866,184 is: 112,299,276
Step by Step Solution
- Step 1: Write the proportion equation
266,342,408 : 399,513,612 = 74,866,184 : x - Step 2: Convert to fraction form
266,342,408/399,513,612 = 74,866,184/x - Step 3: Cross multiply
266,342,408x = 399,513,612 × 74,866,184 - Step 4: Simplify right side
266,342,408x = 29,910,059,586,496,608 - Step 5: Solve for x
x = 29,910,059,586,496,608/266,342,408 - Step 6: Final answer
x = 112,299,276
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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.