Finding the Fourth Proportional to 759,696,840.86, 1,048,491,745.08 and 437,762,175.20
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Solution
The fourth proportional to 759,696,840.86, 1,048,491,745.08 and 437,762,175.20 is: 604,175,247.70
Step by Step Solution
- Step 1: Write the proportion equation
759,696,840.86 : 1,048,491,745.08 = 437,762,175.20 : x - Step 2: Convert to fraction form
759,696,840.86/1,048,491,745.08 = 437,762,175.20/x - Step 3: Cross multiply
759,696,840.86x = 1,048,491,745.08 × 437,762,175.20 - Step 4: Simplify right side
759,696,840.86x = 458,990,027,008,085,952 - Step 5: Solve for x
x = 458,990,027,008,085,952/759,696,840.86 - Step 6: Final answer
x = 604,175,247.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.