Home / 1,310,536,023.80-1,965,811,384.56-437,134,994.44

Finding the Fourth Proportional to 1,310,536,023.80, 1,965,811,384.56 and 437,134,994.44

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Solution

The fourth proportional to 1,310,536,023.80, 1,965,811,384.56 and 437,134,994.44 is: 655,704,942.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,536,023.80 : 1,965,811,384.56 = 437,134,994.44 : x
  2. Step 2: Convert to fraction form
    1,310,536,023.80/1,965,811,384.56 = 437,134,994.44/x
  3. Step 3: Cross multiply
    1,310,536,023.80x = 1,965,811,384.56 × 437,134,994.44
  4. Step 4: Simplify right side
    1,310,536,023.80x = 859,324,948,659,724,288
  5. Step 5: Solve for x
    x = 859,324,948,659,724,288/1,310,536,023.80
  6. Step 6: Final answer
    x = 655,704,942.90

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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.