Home / 368,839,759.91-553,102,155.67-213,500,790.56

Finding the Fourth Proportional to 368,839,759.91, 553,102,155.67 and 213,500,790.56

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Solution

The fourth proportional to 368,839,759.91, 553,102,155.67 and 213,500,790.56 is: 320,160,027.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,839,759.91 : 553,102,155.67 = 213,500,790.56 : x
  2. Step 2: Convert to fraction form
    368,839,759.91/553,102,155.67 = 213,500,790.56/x
  3. Step 3: Cross multiply
    368,839,759.91x = 553,102,155.67 × 213,500,790.56
  4. Step 4: Simplify right side
    368,839,759.91x = 118,087,747,494,917,680
  5. Step 5: Solve for x
    x = 118,087,747,494,917,680/368,839,759.91
  6. Step 6: Final answer
    x = 320,160,027.01

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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.