Finding the Fourth Proportional to 628,719,945,729.27, 943,238,626,478.02 and 175,438,469,084.99
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Solution
The fourth proportional to 628,719,945,729.27, 943,238,626,478.02 and 175,438,469,084.99 is: 263,201,989,590.43
Step by Step Solution
- Step 1: Write the proportion equation
628,719,945,729.27 : 943,238,626,478.02 = 175,438,469,084.99 : x - Step 2: Convert to fraction form
628,719,945,729.27/943,238,626,478.02 = 175,438,469,084.99/x - Step 3: Cross multiply
628,719,945,729.27x = 943,238,626,478.02 × 175,438,469,084.99 - Step 4: Simplify right side
628,719,945,729.27x = 165,480,340,611,132,536,389,632 - Step 5: Solve for x
x = 165,480,340,611,132,536,389,632/628,719,945,729.27 - Step 6: Final answer
x = 263,201,989,590.43
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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.