Home / 470,396,782.77-705,756,940.87-276,470,444.85

Finding the Fourth Proportional to 470,396,782.77, 705,756,940.87 and 276,470,444.85

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Solution

The fourth proportional to 470,396,782.77, 705,756,940.87 and 276,470,444.85 is: 414,800,743.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,396,782.77 : 705,756,940.87 = 276,470,444.85 : x
  2. Step 2: Convert to fraction form
    470,396,782.77/705,756,940.87 = 276,470,444.85/x
  3. Step 3: Cross multiply
    470,396,782.77x = 705,756,940.87 × 276,470,444.85
  4. Step 4: Simplify right side
    470,396,782.77x = 195,120,935,396,885,280
  5. Step 5: Solve for x
    x = 195,120,935,396,885,280/470,396,782.77
  6. Step 6: Final answer
    x = 414,800,743.85

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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.