Finding the Fourth Proportional to 8,322,208,742.80, 12,483,313,114.20 and 7,560,334,925.20
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Solution
The fourth proportional to 8,322,208,742.80, 12,483,313,114.20 and 7,560,334,925.20 is: 11,340,502,387.80
Step by Step Solution
- Step 1: Write the proportion equation
8,322,208,742.80 : 12,483,313,114.20 = 7,560,334,925.20 : x - Step 2: Convert to fraction form
8,322,208,742.80/12,483,313,114.20 = 7,560,334,925.20/x - Step 3: Cross multiply
8,322,208,742.80x = 12,483,313,114.20 × 7,560,334,925.20 - Step 4: Simplify right side
8,322,208,742.80x = 94,378,028,119,493,443,584 - Step 5: Solve for x
x = 94,378,028,119,493,443,584/8,322,208,742.80 - Step 6: Final answer
x = 11,340,502,387.80
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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.