Finding the Fourth Proportional to 5,009,114,651.32, 6,913,215,946.38 and 3,028,979,657.08
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Solution
The fourth proportional to 5,009,114,651.32, 6,913,215,946.38 and 3,028,979,657.08 is: 4,180,377,556.55
Step by Step Solution
- Step 1: Write the proportion equation
5,009,114,651.32 : 6,913,215,946.38 = 3,028,979,657.08 : x - Step 2: Convert to fraction form
5,009,114,651.32/6,913,215,946.38 = 3,028,979,657.08/x - Step 3: Cross multiply
5,009,114,651.32x = 6,913,215,946.38 × 3,028,979,657.08 - Step 4: Simplify right side
5,009,114,651.32x = 20,939,990,466,586,079,232 - Step 5: Solve for x
x = 20,939,990,466,586,079,232/5,009,114,651.32 - Step 6: Final answer
x = 4,180,377,556.55
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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.