Home / 1,217,293,287.80-1,824,803,972.92-480,369,294.73

Finding the Fourth Proportional to 1,217,293,287.80, 1,824,803,972.92 and 480,369,294.73

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Solution

The fourth proportional to 1,217,293,287.80, 1,824,803,972.92 and 480,369,294.73 is: 720,105,669.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,293,287.80 : 1,824,803,972.92 = 480,369,294.73 : x
  2. Step 2: Convert to fraction form
    1,217,293,287.80/1,824,803,972.92 = 480,369,294.73/x
  3. Step 3: Cross multiply
    1,217,293,287.80x = 1,824,803,972.92 × 480,369,294.73
  4. Step 4: Simplify right side
    1,217,293,287.80x = 876,579,797,486,355,968
  5. Step 5: Solve for x
    x = 876,579,797,486,355,968/1,217,293,287.80
  6. Step 6: Final answer
    x = 720,105,669.09

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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.