Finding the Fourth Proportional to 324,946,346.88, 487,652,241.04 and 138,331,126.46
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Solution
The fourth proportional to 324,946,346.88, 487,652,241.04 and 138,331,126.46 is: 207,595,759.95
Step by Step Solution
- Step 1: Write the proportion equation
324,946,346.88 : 487,652,241.04 = 138,331,126.46 : x - Step 2: Convert to fraction form
324,946,346.88/487,652,241.04 = 138,331,126.46/x - Step 3: Cross multiply
324,946,346.88x = 487,652,241.04 × 138,331,126.46 - Step 4: Simplify right side
324,946,346.88x = 67,457,483,823,806,648 - Step 5: Solve for x
x = 67,457,483,823,806,648/324,946,346.88 - Step 6: Final answer
x = 207,595,759.95
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.