Home / 817,689,964.80-1,226,087,049.60-332,467,564.80

Finding the Fourth Proportional to 817,689,964.80, 1,226,087,049.60 and 332,467,564.80

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Solution

The fourth proportional to 817,689,964.80, 1,226,087,049.60 and 332,467,564.80 is: 498,519,234.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,689,964.80 : 1,226,087,049.60 = 332,467,564.80 : x
  2. Step 2: Convert to fraction form
    817,689,964.80/1,226,087,049.60 = 332,467,564.80/x
  3. Step 3: Cross multiply
    817,689,964.80x = 1,226,087,049.60 × 332,467,564.80
  4. Step 4: Simplify right side
    817,689,964.80x = 407,634,175,613,328,768
  5. Step 5: Solve for x
    x = 407,634,175,613,328,768/817,689,964.80
  6. Step 6: Final answer
    x = 498,519,234.87

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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.