Finding the Fourth Proportional to 2,509,525,073.45, 3,463,125,459.99 and 1,380,470,533.31
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Solution
The fourth proportional to 2,509,525,073.45, 3,463,125,459.99 and 1,380,470,533.31 is: 1,905,038,806.45
Step by Step Solution
- Step 1: Write the proportion equation
2,509,525,073.45 : 3,463,125,459.99 = 1,380,470,533.31 : x - Step 2: Convert to fraction form
2,509,525,073.45/3,463,125,459.99 = 1,380,470,533.31/x - Step 3: Cross multiply
2,509,525,073.45x = 3,463,125,459.99 × 1,380,470,533.31 - Step 4: Simplify right side
2,509,525,073.45x = 4,780,742,650,671,834,112 - Step 5: Solve for x
x = 4,780,742,650,671,834,112/2,509,525,073.45 - Step 6: Final answer
x = 1,905,038,806.45
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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.