Home / 380,022,226.57-570,119,293.90-205,141,506.84

Finding the Fourth Proportional to 380,022,226.57, 570,119,293.90 and 205,141,506.84

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Solution

The fourth proportional to 380,022,226.57, 570,119,293.90 and 205,141,506.84 is: 307,758,659.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,022,226.57 : 570,119,293.90 = 205,141,506.84 : x
  2. Step 2: Convert to fraction form
    380,022,226.57/570,119,293.90 = 205,141,506.84/x
  3. Step 3: Cross multiply
    380,022,226.57x = 570,119,293.90 × 205,141,506.84
  4. Step 4: Simplify right side
    380,022,226.57x = 116,955,131,028,689,984
  5. Step 5: Solve for x
    x = 116,955,131,028,689,984/380,022,226.57
  6. Step 6: Final answer
    x = 307,758,659.50

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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.