Home / 979,346,139.88-1,351,462,169.64-598,505,321.86

Finding the Fourth Proportional to 979,346,139.88, 1,351,462,169.64 and 598,505,321.86

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Solution

The fourth proportional to 979,346,139.88, 1,351,462,169.64 and 598,505,321.86 is: 825,915,647.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,346,139.88 : 1,351,462,169.64 = 598,505,321.86 : x
  2. Step 2: Convert to fraction form
    979,346,139.88/1,351,462,169.64 = 598,505,321.86/x
  3. Step 3: Cross multiply
    979,346,139.88x = 1,351,462,169.64 × 598,505,321.86
  4. Step 4: Simplify right side
    979,346,139.88x = 808,857,300,822,002,176
  5. Step 5: Solve for x
    x = 808,857,300,822,002,176/979,346,139.88
  6. Step 6: Final answer
    x = 825,915,647.07

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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.