Finding the Fourth Proportional to 655,829,939.06, 983,917,201.14 and 235,693,729.90
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Solution
The fourth proportional to 655,829,939.06, 983,917,201.14 and 235,693,729.90 is: 353,602,513.75
Step by Step Solution
- Step 1: Write the proportion equation
655,829,939.06 : 983,917,201.14 = 235,693,729.90 : x - Step 2: Convert to fraction form
655,829,939.06/983,917,201.14 = 235,693,729.90/x - Step 3: Cross multiply
655,829,939.06x = 983,917,201.14 × 235,693,729.90 - Step 4: Simplify right side
655,829,939.06x = 231,903,115,046,542,752 - Step 5: Solve for x
x = 231,903,115,046,542,752/655,829,939.06 - Step 6: Final answer
x = 353,602,513.75
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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.