Finding the Fourth Proportional to 8,432,288,202.70, 11,637,806,651.81 and 5,339,115,143.10
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Solution
The fourth proportional to 8,432,288,202.70, 11,637,806,651.81 and 5,339,115,143.10 is: 7,368,769,690.21
Step by Step Solution
- Step 1: Write the proportion equation
8,432,288,202.70 : 11,637,806,651.81 = 5,339,115,143.10 : x - Step 2: Convert to fraction form
8,432,288,202.70/11,637,806,651.81 = 5,339,115,143.10/x - Step 3: Cross multiply
8,432,288,202.70x = 11,637,806,651.81 × 5,339,115,143.10 - Step 4: Simplify right side
8,432,288,202.70x = 62,135,589,727,143,346,176 - Step 5: Solve for x
x = 62,135,589,727,143,346,176/8,432,288,202.70 - Step 6: Final answer
x = 7,368,769,690.21
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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.