Finding the Fourth Proportional to 7,363,232,758.46, 10,161,292,239 and 4,148,181,325.05
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Solution
The fourth proportional to 7,363,232,758.46, 10,161,292,239 and 4,148,181,325.05 is: 5,724,507,711.07
Step by Step Solution
- Step 1: Write the proportion equation
7,363,232,758.46 : 10,161,292,239 = 4,148,181,325.05 : x - Step 2: Convert to fraction form
7,363,232,758.46/10,161,292,239 = 4,148,181,325.05/x - Step 3: Cross multiply
7,363,232,758.46x = 10,161,292,239 × 4,148,181,325.05 - Step 4: Simplify right side
7,363,232,758.46x = 42,150,882,704,195,305,472 - Step 5: Solve for x
x = 42,150,882,704,195,305,472/7,363,232,758.46 - Step 6: Final answer
x = 5,724,507,711.07
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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.