Home / 451,584,643.91-677,395,334.37-215,112,601.68

Finding the Fourth Proportional to 451,584,643.91, 677,395,334.37 and 215,112,601.68

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Solution

The fourth proportional to 451,584,643.91, 677,395,334.37 and 215,112,601.68 is: 322,677,652.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,584,643.91 : 677,395,334.37 = 215,112,601.68 : x
  2. Step 2: Convert to fraction form
    451,584,643.91/677,395,334.37 = 215,112,601.68/x
  3. Step 3: Cross multiply
    451,584,643.91x = 677,395,334.37 × 215,112,601.68
  4. Step 4: Simplify right side
    451,584,643.91x = 145,716,272,742,224,224
  5. Step 5: Solve for x
    x = 145,716,272,742,224,224/451,584,643.91
  6. Step 6: Final answer
    x = 322,677,652.37

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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.