Finding the Fourth Proportional to 437,005,474.08, 603,060,420.64 and 238,762,702.44
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Solution
The fourth proportional to 437,005,474.08, 603,060,420.64 and 238,762,702.44 is: 329,488,631.85
Step by Step Solution
- Step 1: Write the proportion equation
437,005,474.08 : 603,060,420.64 = 238,762,702.44 : x - Step 2: Convert to fraction form
437,005,474.08/603,060,420.64 = 238,762,702.44/x - Step 3: Cross multiply
437,005,474.08x = 603,060,420.64 × 238,762,702.44 - Step 4: Simplify right side
437,005,474.08x = 143,988,335,766,609,552 - Step 5: Solve for x
x = 143,988,335,766,609,552/437,005,474.08 - Step 6: Final answer
x = 329,488,631.85
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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.