Finding the Fourth Proportional to 453,644,955.70, 680,467,433.55 and 130,528,827.70
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Solution
The fourth proportional to 453,644,955.70, 680,467,433.55 and 130,528,827.70 is: 195,793,241.55
Step by Step Solution
- Step 1: Write the proportion equation
453,644,955.70 : 680,467,433.55 = 130,528,827.70 : x - Step 2: Convert to fraction form
453,644,955.70/680,467,433.55 = 130,528,827.70/x - Step 3: Cross multiply
453,644,955.70x = 680,467,433.55 × 130,528,827.70 - Step 4: Simplify right side
453,644,955.70x = 88,820,616,389,309,152 - Step 5: Solve for x
x = 88,820,616,389,309,152/453,644,955.70 - Step 6: Final answer
x = 195,793,241.55
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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.