Finding the Fourth Proportional to 336,547,231.80, 504,820,847.70 and 155,148,703.80
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Solution
The fourth proportional to 336,547,231.80, 504,820,847.70 and 155,148,703.80 is: 232,723,055.70
Step by Step Solution
- Step 1: Write the proportion equation
336,547,231.80 : 504,820,847.70 = 155,148,703.80 : x - Step 2: Convert to fraction form
336,547,231.80/504,820,847.70 = 155,148,703.80/x - Step 3: Cross multiply
336,547,231.80x = 504,820,847.70 × 155,148,703.80 - Step 4: Simplify right side
336,547,231.80x = 78,322,300,171,872,208 - Step 5: Solve for x
x = 78,322,300,171,872,208/336,547,231.80 - Step 6: Final answer
x = 232,723,055.70
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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.