Finding the Fourth Proportional to 603,615,082.05, 905,422,623.08 and 297,505,066.05
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Solution
The fourth proportional to 603,615,082.05, 905,422,623.08 and 297,505,066.05 is: 446,257,599.08
Step by Step Solution
- Step 1: Write the proportion equation
603,615,082.05 : 905,422,623.08 = 297,505,066.05 : x - Step 2: Convert to fraction form
603,615,082.05/905,422,623.08 = 297,505,066.05/x - Step 3: Cross multiply
603,615,082.05x = 905,422,623.08 × 297,505,066.05 - Step 4: Simplify right side
603,615,082.05x = 269,367,817,281,092,160 - Step 5: Solve for x
x = 269,367,817,281,092,160/603,615,082.05 - Step 6: Final answer
x = 446,257,599.08
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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.