Finding the Fourth Proportional to 4,634,266,100.24, 6,395,516,989.80 and 2,874,700,378.64
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Solution
The fourth proportional to 4,634,266,100.24, 6,395,516,989.80 and 2,874,700,378.64 is: 3,967,229,052.99
Step by Step Solution
- Step 1: Write the proportion equation
4,634,266,100.24 : 6,395,516,989.80 = 2,874,700,378.64 : x - Step 2: Convert to fraction form
4,634,266,100.24/6,395,516,989.80 = 2,874,700,378.64/x - Step 3: Cross multiply
4,634,266,100.24x = 6,395,516,989.80 × 2,874,700,378.64 - Step 4: Simplify right side
4,634,266,100.24x = 18,385,195,112,176,613,376 - Step 5: Solve for x
x = 18,385,195,112,176,613,376/4,634,266,100.24 - Step 6: Final answer
x = 3,967,229,052.99
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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.