Home / 811,928,933.08-1,217,620,449.06-294,250,986.52

Finding the Fourth Proportional to 811,928,933.08, 1,217,620,449.06 and 294,250,986.52

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Solution

The fourth proportional to 811,928,933.08, 1,217,620,449.06 and 294,250,986.52 is: 441,277,559.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,928,933.08 : 1,217,620,449.06 = 294,250,986.52 : x
  2. Step 2: Convert to fraction form
    811,928,933.08/1,217,620,449.06 = 294,250,986.52/x
  3. Step 3: Cross multiply
    811,928,933.08x = 1,217,620,449.06 × 294,250,986.52
  4. Step 4: Simplify right side
    811,928,933.08x = 358,286,018,342,830,336
  5. Step 5: Solve for x
    x = 358,286,018,342,830,336/811,928,933.08
  6. Step 6: Final answer
    x = 441,277,559.83

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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.