Finding the Fourth Proportional to 767,043,544.49, 1,058,519,634.84 and 414,619,540.05
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Solution
The fourth proportional to 767,043,544.49, 1,058,519,634.84 and 414,619,540.05 is: 572,174,718.49
Step by Step Solution
- Step 1: Write the proportion equation
767,043,544.49 : 1,058,519,634.84 = 414,619,540.05 : x - Step 2: Convert to fraction form
767,043,544.49/1,058,519,634.84 = 414,619,540.05/x - Step 3: Cross multiply
767,043,544.49x = 1,058,519,634.84 × 414,619,540.05 - Step 4: Simplify right side
767,043,544.49x = 438,882,924,135,224,192 - Step 5: Solve for x
x = 438,882,924,135,224,192/767,043,544.49 - Step 6: Final answer
x = 572,174,718.49
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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.