Finding the Fourth Proportional to 767,043,588.63, 1,058,519,696.18 and 414,619,584.80
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Solution
The fourth proportional to 767,043,588.63, 1,058,519,696.18 and 414,619,584.80 is: 572,174,780.46
Step by Step Solution
- Step 1: Write the proportion equation
767,043,588.63 : 1,058,519,696.18 = 414,619,584.80 : x - Step 2: Convert to fraction form
767,043,588.63/1,058,519,696.18 = 414,619,584.80/x - Step 3: Cross multiply
767,043,588.63x = 1,058,519,696.18 × 414,619,584.80 - Step 4: Simplify right side
767,043,588.63x = 438,882,996,925,408,064 - Step 5: Solve for x
x = 438,882,996,925,408,064/767,043,588.63 - Step 6: Final answer
x = 572,174,780.46
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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.