Finding the Fourth Proportional to 1,576,167,201.44, 2,175,120,574.77 and 861,704,294.18
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Solution
The fourth proportional to 1,576,167,201.44, 2,175,120,574.77 and 861,704,294.18 is: 1,189,157,303.82
Step by Step Solution
- Step 1: Write the proportion equation
1,576,167,201.44 : 2,175,120,574.77 = 861,704,294.18 : x - Step 2: Convert to fraction form
1,576,167,201.44/2,175,120,574.77 = 861,704,294.18/x - Step 3: Cross multiply
1,576,167,201.44x = 2,175,120,574.77 × 861,704,294.18 - Step 4: Simplify right side
1,576,167,201.44x = 1,874,310,739,627,703,040 - Step 5: Solve for x
x = 1,874,310,739,627,703,040/1,576,167,201.44 - Step 6: Final answer
x = 1,189,157,303.82
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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.