Home / 940,123,651.20-1,410,409,425.60-455,050,550.40

Finding the Fourth Proportional to 940,123,651.20, 1,410,409,425.60 and 455,050,550.40

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Solution

The fourth proportional to 940,123,651.20, 1,410,409,425.60 and 455,050,550.40 is: 682,684,224.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,123,651.20 : 1,410,409,425.60 = 455,050,550.40 : x
  2. Step 2: Convert to fraction form
    940,123,651.20/1,410,409,425.60 = 455,050,550.40/x
  3. Step 3: Cross multiply
    940,123,651.20x = 1,410,409,425.60 × 455,050,550.40
  4. Step 4: Simplify right side
    940,123,651.20x = 641,807,585,408,627,712
  5. Step 5: Solve for x
    x = 641,807,585,408,627,712/940,123,651.20
  6. Step 6: Final answer
    x = 682,684,224.13

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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.