Finding the Fourth Proportional to 971,536,311.78, 1,457,308,702.62 and 307,553,580.42
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Solution
The fourth proportional to 971,536,311.78, 1,457,308,702.62 and 307,553,580.42 is: 461,331,711.26
Step by Step Solution
- Step 1: Write the proportion equation
971,536,311.78 : 1,457,308,702.62 = 307,553,580.42 : x - Step 2: Convert to fraction form
971,536,311.78/1,457,308,702.62 = 307,553,580.42/x - Step 3: Cross multiply
971,536,311.78x = 1,457,308,702.62 × 307,553,580.42 - Step 4: Simplify right side
971,536,311.78x = 448,200,509,268,006,016 - Step 5: Solve for x
x = 448,200,509,268,006,016/971,536,311.78 - Step 6: Final answer
x = 461,331,711.26
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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.