Home / 352,437,697.16-486,335,507.81-203,768,356.80

Finding the Fourth Proportional to 352,437,697.16, 486,335,507.81 and 203,768,356.80

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Solution

The fourth proportional to 352,437,697.16, 486,335,507.81 and 203,768,356.80 is: 281,183,846.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,437,697.16 : 486,335,507.81 = 203,768,356.80 : x
  2. Step 2: Convert to fraction form
    352,437,697.16/486,335,507.81 = 203,768,356.80/x
  3. Step 3: Cross multiply
    352,437,697.16x = 486,335,507.81 × 203,768,356.80
  4. Step 4: Simplify right side
    352,437,697.16x = 99,099,787,280,742,192
  5. Step 5: Solve for x
    x = 99,099,787,280,742,192/352,437,697.16
  6. Step 6: Final answer
    x = 281,183,846.34

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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.