Finding the Fourth Proportional to 371,436,525.60, 512,576,658.80 and 204,169,207.52
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Solution
The fourth proportional to 371,436,525.60, 512,576,658.80 and 204,169,207.52 is: 281,750,347.66
Step by Step Solution
- Step 1: Write the proportion equation
371,436,525.60 : 512,576,658.80 = 204,169,207.52 : x - Step 2: Convert to fraction form
371,436,525.60/512,576,658.80 = 204,169,207.52/x - Step 3: Cross multiply
371,436,525.60x = 512,576,658.80 × 204,169,207.52 - Step 4: Simplify right side
371,436,525.60x = 104,652,370,220,445,440 - Step 5: Solve for x
x = 104,652,370,220,445,440/371,436,525.60 - Step 6: Final answer
x = 281,750,347.66
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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.