Finding the Fourth Proportional to 2,509,525,072.95, 3,463,125,459.30 and 1,380,470,532.81
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Solution
The fourth proportional to 2,509,525,072.95, 3,463,125,459.30 and 1,380,470,532.81 is: 1,905,038,805.76
Step by Step Solution
- Step 1: Write the proportion equation
2,509,525,072.95 : 3,463,125,459.30 = 1,380,470,532.81 : x - Step 2: Convert to fraction form
2,509,525,072.95/3,463,125,459.30 = 1,380,470,532.81/x - Step 3: Cross multiply
2,509,525,072.95x = 3,463,125,459.30 × 1,380,470,532.81 - Step 4: Simplify right side
2,509,525,072.95x = 4,780,742,647,987,746,816 - Step 5: Solve for x
x = 4,780,742,647,987,746,816/2,509,525,072.95 - Step 6: Final answer
x = 1,905,038,805.76
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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.