Finding the Fourth Proportional to 7,449,692,240.57, 11,165,336,790.68 and 6,393,002,856.81
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Solution
The fourth proportional to 7,449,692,240.57, 11,165,336,790.68 and 6,393,002,856.81 is: 9,581,607,896.68
Step by Step Solution
- Step 1: Write the proportion equation
7,449,692,240.57 : 11,165,336,790.68 = 6,393,002,856.81 : x - Step 2: Convert to fraction form
7,449,692,240.57/11,165,336,790.68 = 6,393,002,856.81/x - Step 3: Cross multiply
7,449,692,240.57x = 11,165,336,790.68 × 6,393,002,856.81 - Step 4: Simplify right side
7,449,692,240.57x = 71,380,030,000,031,072,256 - Step 5: Solve for x
x = 71,380,030,000,031,072,256/7,449,692,240.57 - Step 6: Final answer
x = 9,581,607,896.68
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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.