Finding the Fourth Proportional to 1,335,321,603.90, 2,001,568,721.40 and 449,163,361.08
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Solution
The fourth proportional to 1,335,321,603.90, 2,001,568,721.40 and 449,163,361.08 is: 673,269,519.28
Step by Step Solution
- Step 1: Write the proportion equation
1,335,321,603.90 : 2,001,568,721.40 = 449,163,361.08 : x - Step 2: Convert to fraction form
1,335,321,603.90/2,001,568,721.40 = 449,163,361.08/x - Step 3: Cross multiply
1,335,321,603.90x = 2,001,568,721.40 × 449,163,361.08 - Step 4: Simplify right side
1,335,321,603.90x = 899,031,334,336,622,080 - Step 5: Solve for x
x = 899,031,334,336,622,080/1,335,321,603.90 - Step 6: Final answer
x = 673,269,519.28
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.