Finding the Fourth Proportional to 445,866,949.28, 615,303,993.84 and 244,932,294.08
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Solution
The fourth proportional to 445,866,949.28, 615,303,993.84 and 244,932,294.08 is: 338,010,742.92
Step by Step Solution
- Step 1: Write the proportion equation
445,866,949.28 : 615,303,993.84 = 244,932,294.08 : x - Step 2: Convert to fraction form
445,866,949.28/615,303,993.84 = 244,932,294.08/x - Step 3: Cross multiply
445,866,949.28x = 615,303,993.84 × 244,932,294.08 - Step 4: Simplify right side
445,866,949.28x = 150,707,818,767,817,408 - Step 5: Solve for x
x = 150,707,818,767,817,408/445,866,949.28 - Step 6: Final answer
x = 338,010,742.92
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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.