Home / 724,831,915.32-1,087,049,443.05-200,075,571.26

Finding the Fourth Proportional to 724,831,915.32, 1,087,049,443.05 and 200,075,571.26

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Solution

The fourth proportional to 724,831,915.32, 1,087,049,443.05 and 200,075,571.26 is: 300,058,584.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,831,915.32 : 1,087,049,443.05 = 200,075,571.26 : x
  2. Step 2: Convert to fraction form
    724,831,915.32/1,087,049,443.05 = 200,075,571.26/x
  3. Step 3: Cross multiply
    724,831,915.32x = 1,087,049,443.05 × 200,075,571.26
  4. Step 4: Simplify right side
    724,831,915.32x = 217,492,038,311,415,072
  5. Step 5: Solve for x
    x = 217,492,038,311,415,072/724,831,915.32
  6. Step 6: Final answer
    x = 300,058,584.22

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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.