Finding the Fourth Proportional to 863,593,110.20, 1,295,389,665.30 and 708,624,914.60
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Solution
The fourth proportional to 863,593,110.20, 1,295,389,665.30 and 708,624,914.60 is: 1,062,937,371.90
Step by Step Solution
- Step 1: Write the proportion equation
863,593,110.20 : 1,295,389,665.30 = 708,624,914.60 : x - Step 2: Convert to fraction form
863,593,110.20/1,295,389,665.30 = 708,624,914.60/x - Step 3: Cross multiply
863,593,110.20x = 1,295,389,665.30 × 708,624,914.60 - Step 4: Simplify right side
863,593,110.20x = 917,945,390,946,935,040 - Step 5: Solve for x
x = 917,945,390,946,935,040/863,593,110.20 - Step 6: Final answer
x = 1,062,937,371.90
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1.5x scale
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.