Home / 321,986,379.16-483,219,962.75-239,179,346.16

Finding the Fourth Proportional to 321,986,379.16, 483,219,962.75 and 239,179,346.16

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Solution

The fourth proportional to 321,986,379.16, 483,219,962.75 and 239,179,346.16 is: 358,947,589.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,986,379.16 : 483,219,962.75 = 239,179,346.16 : x
  2. Step 2: Convert to fraction form
    321,986,379.16/483,219,962.75 = 239,179,346.16/x
  3. Step 3: Cross multiply
    321,986,379.16x = 483,219,962.75 × 239,179,346.16
  4. Step 4: Simplify right side
    321,986,379.16x = 115,576,234,742,143,440
  5. Step 5: Solve for x
    x = 115,576,234,742,143,440/321,986,379.16
  6. Step 6: Final answer
    x = 358,947,589.78

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1.5x scale

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.