Finding the Fourth Proportional to 1,503,729,615.24, 2,256,056,284.68 and 717,786,170.52
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Solution
The fourth proportional to 1,503,729,615.24, 2,256,056,284.68 and 717,786,170.52 is: 1,076,899,719.63
Step by Step Solution
- Step 1: Write the proportion equation
1,503,729,615.24 : 2,256,056,284.68 = 717,786,170.52 : x - Step 2: Convert to fraction form
1,503,729,615.24/2,256,056,284.68 = 717,786,170.52/x - Step 3: Cross multiply
1,503,729,615.24x = 2,256,056,284.68 × 717,786,170.52 - Step 4: Simplify right side
1,503,729,615.24x = 1,619,366,001,058,035,968 - Step 5: Solve for x
x = 1,619,366,001,058,035,968/1,503,729,615.24 - Step 6: Final answer
x = 1,076,899,719.63
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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.