Home / 2,285,857,661.52-3,429,127,205-811,873,636.68

Finding the Fourth Proportional to 2,285,857,661.52, 3,429,127,205 and 811,873,636.68

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Solution

The fourth proportional to 2,285,857,661.52, 3,429,127,205 and 811,873,636.68 is: 1,217,931,466.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,285,857,661.52 : 3,429,127,205 = 811,873,636.68 : x
  2. Step 2: Convert to fraction form
    2,285,857,661.52/3,429,127,205 = 811,873,636.68/x
  3. Step 3: Cross multiply
    2,285,857,661.52x = 3,429,127,205 × 811,873,636.68
  4. Step 4: Simplify right side
    2,285,857,661.52x = 2,784,017,974,561,673,728
  5. Step 5: Solve for x
    x = 2,784,017,974,561,673,728/2,285,857,661.52
  6. Step 6: Final answer
    x = 1,217,931,466.79

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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.