Finding the Fourth Proportional to 4,689,974,610.72, 7,035,188,155.74 and 1,542,119,528.70
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Solution
The fourth proportional to 4,689,974,610.72, 7,035,188,155.74 and 1,542,119,528.70 is: 2,313,253,683.35
Step by Step Solution
- Step 1: Write the proportion equation
4,689,974,610.72 : 7,035,188,155.74 = 1,542,119,528.70 : x - Step 2: Convert to fraction form
4,689,974,610.72/7,035,188,155.74 = 1,542,119,528.70/x - Step 3: Cross multiply
4,689,974,610.72x = 7,035,188,155.74 × 1,542,119,528.70 - Step 4: Simplify right side
4,689,974,610.72x = 10,849,101,043,045,591,040 - Step 5: Solve for x
x = 10,849,101,043,045,591,040/4,689,974,610.72 - Step 6: Final answer
x = 2,313,253,683.35
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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.