Finding the Fourth Proportional to 5,015,070,354.76, 6,920,385,715.92 and 2,952,435,935.92
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Solution
The fourth proportional to 5,015,070,354.76, 6,920,385,715.92 and 2,952,435,935.92 is: 4,074,119,410.65
Step by Step Solution
- Step 1: Write the proportion equation
5,015,070,354.76 : 6,920,385,715.92 = 2,952,435,935.92 : x - Step 2: Convert to fraction form
5,015,070,354.76/6,920,385,715.92 = 2,952,435,935.92/x - Step 3: Cross multiply
5,015,070,354.76x = 6,920,385,715.92 × 2,952,435,935.92 - Step 4: Simplify right side
5,015,070,354.76x = 20,431,995,478,109,663,232 - Step 5: Solve for x
x = 20,431,995,478,109,663,232/5,015,070,354.76 - Step 6: Final answer
x = 4,074,119,410.65
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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.