Finding the Fourth Proportional to 434,871,573.08, 652,409,495.92 and 143,738,664.70
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Solution
The fourth proportional to 434,871,573.08, 652,409,495.92 and 143,738,664.70 is: 215,641,756.29
Step by Step Solution
- Step 1: Write the proportion equation
434,871,573.08 : 652,409,495.92 = 143,738,664.70 : x - Step 2: Convert to fraction form
434,871,573.08/652,409,495.92 = 143,738,664.70/x - Step 3: Cross multiply
434,871,573.08x = 652,409,495.92 × 143,738,664.70 - Step 4: Simplify right side
434,871,573.08x = 93,776,469,781,140,880 - Step 5: Solve for x
x = 93,776,469,781,140,880/434,871,573.08 - Step 6: Final answer
x = 215,641,756.29
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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.