Finding the Fourth Proportional to 655,692,000.75, 983,430,268.99 and 235,426,372.78
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Solution
The fourth proportional to 655,692,000.75, 983,430,268.99 and 235,426,372.78 is: 353,100,877.92
Step by Step Solution
- Step 1: Write the proportion equation
655,692,000.75 : 983,430,268.99 = 235,426,372.78 : x - Step 2: Convert to fraction form
655,692,000.75/983,430,268.99 = 235,426,372.78/x - Step 3: Cross multiply
655,692,000.75x = 983,430,268.99 × 235,426,372.78 - Step 4: Simplify right side
655,692,000.75x = 231,525,421,110,375,424 - Step 5: Solve for x
x = 231,525,421,110,375,424/655,692,000.75 - Step 6: Final answer
x = 353,100,877.92
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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.