Finding the Fourth Proportional to 602,287,309.80, 903,430,964.70 and 449,232,301.80
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Solution
The fourth proportional to 602,287,309.80, 903,430,964.70 and 449,232,301.80 is: 673,848,452.70
Step by Step Solution
- Step 1: Write the proportion equation
602,287,309.80 : 903,430,964.70 = 449,232,301.80 : x - Step 2: Convert to fraction form
602,287,309.80/903,430,964.70 = 449,232,301.80/x - Step 3: Cross multiply
602,287,309.80x = 903,430,964.70 × 449,232,301.80 - Step 4: Simplify right side
602,287,309.80x = 405,850,371,789,575,552 - Step 5: Solve for x
x = 405,850,371,789,575,552/602,287,309.80 - Step 6: Final answer
x = 673,848,452.70
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Double scale
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Similar ratio
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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.