Home / 979,360,296,754.72-1,351,521,291,732.20-539,888,026,441.86

Finding the Fourth Proportional to 979,360,296,754.72, 1,351,521,291,732.20 and 539,888,026,441.86

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Solution

The fourth proportional to 979,360,296,754.72, 1,351,521,291,732.20 and 539,888,026,441.86 is: 745,047,726,873.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,360,296,754.72 : 1,351,521,291,732.20 = 539,888,026,441.86 : x
  2. Step 2: Convert to fraction form
    979,360,296,754.72/1,351,521,291,732.20 = 539,888,026,441.86/x
  3. Step 3: Cross multiply
    979,360,296,754.72x = 1,351,521,291,732.20 × 539,888,026,441.86
  4. Step 4: Simplify right side
    979,360,296,754.72x = 729,670,162,887,450,789,150,720
  5. Step 5: Solve for x
    x = 729,670,162,887,450,789,150,720/979,360,296,754.72
  6. Step 6: Final answer
    x = 745,047,726,873.69

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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.