Finding the Fourth Proportional to 343,627,652.64, 474,206,230.80 and 189,102,980.64
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Solution
The fourth proportional to 343,627,652.64, 474,206,230.80 and 189,102,980.64 is: 260,962,151.89
Step by Step Solution
- Step 1: Write the proportion equation
343,627,652.64 : 474,206,230.80 = 189,102,980.64 : x - Step 2: Convert to fraction form
343,627,652.64/474,206,230.80 = 189,102,980.64/x - Step 3: Cross multiply
343,627,652.64x = 474,206,230.80 × 189,102,980.64 - Step 4: Simplify right side
343,627,652.64x = 89,673,811,682,339,760 - Step 5: Solve for x
x = 89,673,811,682,339,760/343,627,652.64 - Step 6: Final answer
x = 260,962,151.89
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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.