Finding the Fourth Proportional to 644,740,482.08, 967,016,244.64 and 317,128,057.04
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Solution
The fourth proportional to 644,740,482.08, 967,016,244.64 and 317,128,057.04 is: 475,645,614.50
Step by Step Solution
- Step 1: Write the proportion equation
644,740,482.08 : 967,016,244.64 = 317,128,057.04 : x - Step 2: Convert to fraction form
644,740,482.08/967,016,244.64 = 317,128,057.04/x - Step 3: Cross multiply
644,740,482.08x = 967,016,244.64 × 317,128,057.04 - Step 4: Simplify right side
644,740,482.08x = 306,667,982,788,800,512 - Step 5: Solve for x
x = 306,667,982,788,800,512/644,740,482.08 - Step 6: Final answer
x = 475,645,614.50
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1.5x scale
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.