Home / 393,831,834.17-543,518,912.54-224,293,240.53

Finding the Fourth Proportional to 393,831,834.17, 543,518,912.54 and 224,293,240.53

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Solution

The fourth proportional to 393,831,834.17, 543,518,912.54 and 224,293,240.53 is: 309,542,316.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,831,834.17 : 543,518,912.54 = 224,293,240.53 : x
  2. Step 2: Convert to fraction form
    393,831,834.17/543,518,912.54 = 224,293,240.53/x
  3. Step 3: Cross multiply
    393,831,834.17x = 543,518,912.54 × 224,293,240.53
  4. Step 4: Simplify right side
    393,831,834.17x = 121,907,618,180,619,712
  5. Step 5: Solve for x
    x = 121,907,618,180,619,712/393,831,834.17
  6. Step 6: Final answer
    x = 309,542,316.30

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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.