Home / 1,001,789,004.99-1,382,470,453.23-555,752,379.78

Finding the Fourth Proportional to 1,001,789,004.99, 1,382,470,453.23 and 555,752,379.78

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Solution

The fourth proportional to 1,001,789,004.99, 1,382,470,453.23 and 555,752,379.78 is: 766,939,186.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,789,004.99 : 1,382,470,453.23 = 555,752,379.78 : x
  2. Step 2: Convert to fraction form
    1,001,789,004.99/1,382,470,453.23 = 555,752,379.78/x
  3. Step 3: Cross multiply
    1,001,789,004.99x = 1,382,470,453.23 × 555,752,379.78
  4. Step 4: Simplify right side
    1,001,789,004.99x = 768,311,244,358,107,648
  5. Step 5: Solve for x
    x = 768,311,244,358,107,648/1,001,789,004.99
  6. Step 6: Final answer
    x = 766,939,186.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.