Home / 262,332,003.60-393,498,005.40-258,505,628.40

Finding the Fourth Proportional to 262,332,003.60, 393,498,005.40 and 258,505,628.40

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Solution

The fourth proportional to 262,332,003.60, 393,498,005.40 and 258,505,628.40 is: 387,758,442.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,332,003.60 : 393,498,005.40 = 258,505,628.40 : x
  2. Step 2: Convert to fraction form
    262,332,003.60/393,498,005.40 = 258,505,628.40/x
  3. Step 3: Cross multiply
    262,332,003.60x = 393,498,005.40 × 258,505,628.40
  4. Step 4: Simplify right side
    262,332,003.60x = 101,721,449,160,073,584
  5. Step 5: Solve for x
    x = 101,721,449,160,073,584/262,332,003.60
  6. Step 6: Final answer
    x = 387,758,442.60

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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.