Finding the Fourth Proportional to 1,503,729,619.74, 2,256,056,291.43 and 717,786,175.02
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Solution
The fourth proportional to 1,503,729,619.74, 2,256,056,291.43 and 717,786,175.02 is: 1,076,899,726.39
Step by Step Solution
- Step 1: Write the proportion equation
1,503,729,619.74 : 2,256,056,291.43 = 717,786,175.02 : x - Step 2: Convert to fraction form
1,503,729,619.74/2,256,056,291.43 = 717,786,175.02/x - Step 3: Cross multiply
1,503,729,619.74x = 2,256,056,291.43 × 717,786,175.02 - Step 4: Simplify right side
1,503,729,619.74x = 1,619,366,016,055,345,920 - Step 5: Solve for x
x = 1,619,366,016,055,345,920/1,503,729,619.74 - Step 6: Final answer
x = 1,076,899,726.39
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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.