Finding the Fourth Proportional to 1,936,237,257.75, 2,904,366,515.46 and 482,214,681.75
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Solution
The fourth proportional to 1,936,237,257.75, 2,904,366,515.46 and 482,214,681.75 is: 723,324,669.71
Step by Step Solution
- Step 1: Write the proportion equation
1,936,237,257.75 : 2,904,366,515.46 = 482,214,681.75 : x - Step 2: Convert to fraction form
1,936,237,257.75/2,904,366,515.46 = 482,214,681.75/x - Step 3: Cross multiply
1,936,237,257.75x = 2,904,366,515.46 × 482,214,681.75 - Step 4: Simplify right side
1,936,237,257.75x = 1,400,528,174,937,900,288 - Step 5: Solve for x
x = 1,400,528,174,937,900,288/1,936,237,257.75 - Step 6: Final answer
x = 723,324,669.71
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.