Finding the Fourth Proportional to 4,170,362,428.80, 6,257,811,124.80 and 1,716,947,337.60
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Solution
The fourth proportional to 4,170,362,428.80, 6,257,811,124.80 and 1,716,947,337.60 is: 2,576,354,533.54
Step by Step Solution
- Step 1: Write the proportion equation
4,170,362,428.80 : 6,257,811,124.80 = 1,716,947,337.60 : x - Step 2: Convert to fraction form
4,170,362,428.80/6,257,811,124.80 = 1,716,947,337.60/x - Step 3: Cross multiply
4,170,362,428.80x = 6,257,811,124.80 × 1,716,947,337.60 - Step 4: Simplify right side
4,170,362,428.80x = 10,744,332,149,929,021,440 - Step 5: Solve for x
x = 10,744,332,149,929,021,440/4,170,362,428.80 - Step 6: Final answer
x = 2,576,354,533.54
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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.