Finding the Fourth Proportional to 1,943,877,431.26, 2,681,562,585.26 and 1,180,718,419.01
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Solution
The fourth proportional to 1,943,877,431.26, 2,681,562,585.26 and 1,180,718,419.01 is: 1,628,791,139.41
Step by Step Solution
- Step 1: Write the proportion equation
1,943,877,431.26 : 2,681,562,585.26 = 1,180,718,419.01 : x - Step 2: Convert to fraction form
1,943,877,431.26/2,681,562,585.26 = 1,180,718,419.01/x - Step 3: Cross multiply
1,943,877,431.26x = 2,681,562,585.26 × 1,180,718,419.01 - Step 4: Simplify right side
1,943,877,431.26x = 3,166,170,336,144,555,520 - Step 5: Solve for x
x = 3,166,170,336,144,555,520/1,943,877,431.26 - Step 6: Final answer
x = 1,628,791,139.41
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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.