Home / 393,831,836.16-543,518,915.30-224,293,242.52

Finding the Fourth Proportional to 393,831,836.16, 543,518,915.30 and 224,293,242.52

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Solution

The fourth proportional to 393,831,836.16, 543,518,915.30 and 224,293,242.52 is: 309,542,319.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,831,836.16 : 543,518,915.30 = 224,293,242.52 : x
  2. Step 2: Convert to fraction form
    393,831,836.16/543,518,915.30 = 224,293,242.52/x
  3. Step 3: Cross multiply
    393,831,836.16x = 543,518,915.30 × 224,293,242.52
  4. Step 4: Simplify right side
    393,831,836.16x = 121,907,619,883,590,240
  5. Step 5: Solve for x
    x = 121,907,619,883,590,240/393,831,836.16
  6. Step 6: Final answer
    x = 309,542,319.06

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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.