Finding the Fourth Proportional to 1,332,751,862.88, 1,839,174,515.28 and 738,024,564.96
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Solution
The fourth proportional to 1,332,751,862.88, 1,839,174,515.28 and 738,024,564.96 is: 1,018,461,132.44
Step by Step Solution
- Step 1: Write the proportion equation
1,332,751,862.88 : 1,839,174,515.28 = 738,024,564.96 : x - Step 2: Convert to fraction form
1,332,751,862.88/1,839,174,515.28 = 738,024,564.96/x - Step 3: Cross multiply
1,332,751,862.88x = 1,839,174,515.28 × 738,024,564.96 - Step 4: Simplify right side
1,332,751,862.88x = 1,357,355,971,525,040,896 - Step 5: Solve for x
x = 1,357,355,971,525,040,896/1,332,751,862.88 - Step 6: Final answer
x = 1,018,461,132.44
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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.