Finding the Fourth Proportional to 8,219,910,358.87, 11,343,476,291.99 and 4,460,720,926.52
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Solution
The fourth proportional to 8,219,910,358.87, 11,343,476,291.99 and 4,460,720,926.52 is: 6,155,794,876.84
Step by Step Solution
- Step 1: Write the proportion equation
8,219,910,358.87 : 11,343,476,291.99 = 4,460,720,926.52 : x - Step 2: Convert to fraction form
8,219,910,358.87/11,343,476,291.99 = 4,460,720,926.52/x - Step 3: Cross multiply
8,219,910,358.87x = 11,343,476,291.99 × 4,460,720,926.52 - Step 4: Simplify right side
8,219,910,358.87x = 50,600,082,075,170,480,128 - Step 5: Solve for x
x = 50,600,082,075,170,480,128/8,219,910,358.87 - Step 6: Final answer
x = 6,155,794,876.84
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.