Finding the Fourth Proportional to 343,339,525.20, 515,009,287.80 and 149,343,877.20
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Solution
The fourth proportional to 343,339,525.20, 515,009,287.80 and 149,343,877.20 is: 224,015,815.80
Step by Step Solution
- Step 1: Write the proportion equation
343,339,525.20 : 515,009,287.80 = 149,343,877.20 : x - Step 2: Convert to fraction form
343,339,525.20/515,009,287.80 = 149,343,877.20/x - Step 3: Cross multiply
343,339,525.20x = 515,009,287.80 × 149,343,877.20 - Step 4: Simplify right side
343,339,525.20x = 76,913,483,834,062,656 - Step 5: Solve for x
x = 76,913,483,834,062,656/343,339,525.20 - Step 6: Final answer
x = 224,015,815.80
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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.