Finding the Fourth Proportional to 1,196,503,490.28, 1,651,450,315.14 and 701,625,631.08
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Solution
The fourth proportional to 1,196,503,490.28, 1,651,450,315.14 and 701,625,631.08 is: 968,404,922.32
Step by Step Solution
- Step 1: Write the proportion equation
1,196,503,490.28 : 1,651,450,315.14 = 701,625,631.08 : x - Step 2: Convert to fraction form
1,196,503,490.28/1,651,450,315.14 = 701,625,631.08/x - Step 3: Cross multiply
1,196,503,490.28x = 1,651,450,315.14 × 701,625,631.08 - Step 4: Simplify right side
1,196,503,490.28x = 1,158,699,869,557,367,552 - Step 5: Solve for x
x = 1,158,699,869,557,367,552/1,196,503,490.28 - Step 6: Final answer
x = 968,404,922.32
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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.