Finding the Fourth Proportional to 1,177,845,272.16, 1,625,330,899.44 and 682,839,867.12
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Solution
The fourth proportional to 1,177,845,272.16, 1,625,330,899.44 and 682,839,867.12 is: 942,263,607.65
Step by Step Solution
- Step 1: Write the proportion equation
1,177,845,272.16 : 1,625,330,899.44 = 682,839,867.12 : x - Step 2: Convert to fraction form
1,177,845,272.16/1,625,330,899.44 = 682,839,867.12/x - Step 3: Cross multiply
1,177,845,272.16x = 1,625,330,899.44 × 682,839,867.12 - Step 4: Simplify right side
1,177,845,272.16x = 1,109,840,735,399,639,680 - Step 5: Solve for x
x = 1,109,840,735,399,639,680/1,177,845,272.16 - Step 6: Final answer
x = 942,263,607.65
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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.