Finding the Fourth Proportional to 7,392,444,846.05, 10,202,074,407.05 and 4,176,239,355.30
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Solution
The fourth proportional to 7,392,444,846.05, 10,202,074,407.05 and 4,176,239,355.30 is: 5,763,493,070.52
Step by Step Solution
- Step 1: Write the proportion equation
7,392,444,846.05 : 10,202,074,407.05 = 4,176,239,355.30 : x - Step 2: Convert to fraction form
7,392,444,846.05/10,202,074,407.05 = 4,176,239,355.30/x - Step 3: Cross multiply
7,392,444,846.05x = 10,202,074,407.05 × 4,176,239,355.30 - Step 4: Simplify right side
7,392,444,846.05x = 42,606,304,644,371,767,296 - Step 5: Solve for x
x = 42,606,304,644,371,767,296/7,392,444,846.05 - Step 6: Final answer
x = 5,763,493,070.52
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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.