Home / 393,831,837.16-543,518,916.68-224,293,243.52

Finding the Fourth Proportional to 393,831,837.16, 543,518,916.68 and 224,293,243.52

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Solution

The fourth proportional to 393,831,837.16, 543,518,916.68 and 224,293,243.52 is: 309,542,320.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,831,837.16 : 543,518,916.68 = 224,293,243.52 : x
  2. Step 2: Convert to fraction form
    393,831,837.16/543,518,916.68 = 224,293,243.52/x
  3. Step 3: Cross multiply
    393,831,837.16x = 543,518,916.68 × 224,293,243.52
  4. Step 4: Simplify right side
    393,831,837.16x = 121,907,620,736,633,824
  5. Step 5: Solve for x
    x = 121,907,620,736,633,824/393,831,837.16
  6. Step 6: Final answer
    x = 309,542,320.44

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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.