Finding the Fourth Proportional to 433,875,138.68, 598,784,617.72 and 245,736,900.84
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Solution
The fourth proportional to 433,875,138.68, 598,784,617.72 and 245,736,900.84 is: 339,137,837.39
Step by Step Solution
- Step 1: Write the proportion equation
433,875,138.68 : 598,784,617.72 = 245,736,900.84 : x - Step 2: Convert to fraction form
433,875,138.68/598,784,617.72 = 245,736,900.84/x - Step 3: Cross multiply
433,875,138.68x = 598,784,617.72 × 245,736,900.84 - Step 4: Simplify right side
433,875,138.68x = 147,143,476,229,176,960 - Step 5: Solve for x
x = 147,143,476,229,176,960/433,875,138.68 - Step 6: Final answer
x = 339,137,837.39
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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.