Home / 347,131,468,297.21-520,764,257,930.93-131,983,282,393.96

Finding the Fourth Proportional to 347,131,468,297.21, 520,764,257,930.93 and 131,983,282,393.96

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Solution

The fourth proportional to 347,131,468,297.21, 520,764,257,930.93 and 131,983,282,393.96 is: 198,000,418,839.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,131,468,297.21 : 520,764,257,930.93 = 131,983,282,393.96 : x
  2. Step 2: Convert to fraction form
    347,131,468,297.21/520,764,257,930.93 = 131,983,282,393.96/x
  3. Step 3: Cross multiply
    347,131,468,297.21x = 520,764,257,930.93 × 131,983,282,393.96
  4. Step 4: Simplify right side
    347,131,468,297.21x = 68,732,176,115,178,961,633,280
  5. Step 5: Solve for x
    x = 68,732,176,115,178,961,633,280/347,131,468,297.21
  6. Step 6: Final answer
    x = 198,000,418,839.39

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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.