Home / 481,157,815.74-664,297,677.89-330,709,525.84

Finding the Fourth Proportional to 481,157,815.74, 664,297,677.89 and 330,709,525.84

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Solution

The fourth proportional to 481,157,815.74, 664,297,677.89 and 330,709,525.84 is: 456,585,267.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,157,815.74 : 664,297,677.89 = 330,709,525.84 : x
  2. Step 2: Convert to fraction form
    481,157,815.74/664,297,677.89 = 330,709,525.84/x
  3. Step 3: Cross multiply
    481,157,815.74x = 664,297,677.89 × 330,709,525.84
  4. Step 4: Simplify right side
    481,157,815.74x = 219,689,570,071,614,944
  5. Step 5: Solve for x
    x = 219,689,570,071,614,944/481,157,815.74
  6. Step 6: Final answer
    x = 456,585,267.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.