Home / 355,752,494.80-533,628,742.20-252,440,364.40

Finding the Fourth Proportional to 355,752,494.80, 533,628,742.20 and 252,440,364.40

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Solution

The fourth proportional to 355,752,494.80, 533,628,742.20 and 252,440,364.40 is: 378,660,546.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,752,494.80 : 533,628,742.20 = 252,440,364.40 : x
  2. Step 2: Convert to fraction form
    355,752,494.80/533,628,742.20 = 252,440,364.40/x
  3. Step 3: Cross multiply
    355,752,494.80x = 533,628,742.20 × 252,440,364.40
  4. Step 4: Simplify right side
    355,752,494.80x = 134,709,434,135,281,664
  5. Step 5: Solve for x
    x = 134,709,434,135,281,664/355,752,494.80
  6. Step 6: Final answer
    x = 378,660,546.60

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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.