Finding the Fourth Proportional to 767,938,396.68, 1,059,754,302.72 and 433,481,318.28
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Solution
The fourth proportional to 767,938,396.68, 1,059,754,302.72 and 433,481,318.28 is: 598,203,832.73
Step by Step Solution
- Step 1: Write the proportion equation
767,938,396.68 : 1,059,754,302.72 = 433,481,318.28 : x - Step 2: Convert to fraction form
767,938,396.68/1,059,754,302.72 = 433,481,318.28/x - Step 3: Cross multiply
767,938,396.68x = 1,059,754,302.72 × 433,481,318.28 - Step 4: Simplify right side
767,938,396.68x = 459,383,692,195,967,744 - Step 5: Solve for x
x = 459,383,692,195,967,744/767,938,396.68 - Step 6: Final answer
x = 598,203,832.73
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.