Finding the Fourth Proportional to 7,466,075,472.87, 11,191,290,422.09 and 3,478,872,349.76
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Solution
The fourth proportional to 7,466,075,472.87, 11,191,290,422.09 and 3,478,872,349.76 is: 5,214,663,439.84
Step by Step Solution
- Step 1: Write the proportion equation
7,466,075,472.87 : 11,191,290,422.09 = 3,478,872,349.76 : x - Step 2: Convert to fraction form
7,466,075,472.87/11,191,290,422.09 = 3,478,872,349.76/x - Step 3: Cross multiply
7,466,075,472.87x = 11,191,290,422.09 × 3,478,872,349.76 - Step 4: Simplify right side
7,466,075,472.87x = 38,933,070,807,469,465,600 - Step 5: Solve for x
x = 38,933,070,807,469,465,600/7,466,075,472.87 - Step 6: Final answer
x = 5,214,663,439.84
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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.