Finding the Fourth Proportional to 5,222,232,614.18, 7,206,857,880.84 and 2,843,462,807.30
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Solution
The fourth proportional to 5,222,232,614.18, 7,206,857,880.84 and 2,843,462,807.30 is: 3,924,074,980.12
Step by Step Solution
- Step 1: Write the proportion equation
5,222,232,614.18 : 7,206,857,880.84 = 2,843,462,807.30 : x - Step 2: Convert to fraction form
5,222,232,614.18/7,206,857,880.84 = 2,843,462,807.30/x - Step 3: Cross multiply
5,222,232,614.18x = 7,206,857,880.84 × 2,843,462,807.30 - Step 4: Simplify right side
5,222,232,614.18x = 20,492,432,341,665,435,648 - Step 5: Solve for x
x = 20,492,432,341,665,435,648/5,222,232,614.18 - Step 6: Final answer
x = 3,924,074,980.12
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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.