Finding the Fourth Proportional to 2,928,388,167.64, 4,392,578,726.26 and 747,354,536.92
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Solution
The fourth proportional to 2,928,388,167.64, 4,392,578,726.26 and 747,354,536.92 is: 1,121,030,905.71
Step by Step Solution
- Step 1: Write the proportion equation
2,928,388,167.64 : 4,392,578,726.26 = 747,354,536.92 : x - Step 2: Convert to fraction form
2,928,388,167.64/4,392,578,726.26 = 747,354,536.92/x - Step 3: Cross multiply
2,928,388,167.64x = 4,392,578,726.26 × 747,354,536.92 - Step 4: Simplify right side
2,928,388,167.64x = 3,282,813,639,848,685,568 - Step 5: Solve for x
x = 3,282,813,639,848,685,568/2,928,388,167.64 - Step 6: Final answer
x = 1,121,030,905.71
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.