Home / 1,668,854,998.91-2,501,378,321.91-672,238,313.85

Finding the Fourth Proportional to 1,668,854,998.91, 2,501,378,321.91 and 672,238,313.85

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Solution

The fourth proportional to 1,668,854,998.91, 2,501,378,321.91 and 672,238,313.85 is: 1,007,590,441.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,668,854,998.91 : 2,501,378,321.91 = 672,238,313.85 : x
  2. Step 2: Convert to fraction form
    1,668,854,998.91/2,501,378,321.91 = 672,238,313.85/x
  3. Step 3: Cross multiply
    1,668,854,998.91x = 2,501,378,321.91 × 672,238,313.85
  4. Step 4: Simplify right side
    1,668,854,998.91x = 1,681,522,345,421,720,832
  5. Step 5: Solve for x
    x = 1,681,522,345,421,720,832/1,668,854,998.91
  6. Step 6: Final answer
    x = 1,007,590,441.67

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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.