Finding the Fourth Proportional to 294,759,145.80, 442,138,718.70 and 266,061,331.80
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Solution
The fourth proportional to 294,759,145.80, 442,138,718.70 and 266,061,331.80 is: 399,091,997.70
Step by Step Solution
- Step 1: Write the proportion equation
294,759,145.80 : 442,138,718.70 = 266,061,331.80 : x - Step 2: Convert to fraction form
294,759,145.80/442,138,718.70 = 266,061,331.80/x - Step 3: Cross multiply
294,759,145.80x = 442,138,718.70 × 266,061,331.80 - Step 4: Simplify right side
294,759,145.80x = 117,636,016,337,667,568 - Step 5: Solve for x
x = 117,636,016,337,667,568/294,759,145.80 - Step 6: Final answer
x = 399,091,997.70
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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.