Home / 5,619,668,912.40-8,426,236,002.69-2,126,343,801.90

Finding the Fourth Proportional to 5,619,668,912.40, 8,426,236,002.69 and 2,126,343,801.90

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Solution

The fourth proportional to 5,619,668,912.40, 8,426,236,002.69 and 2,126,343,801.90 is: 3,188,279,412.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,619,668,912.40 : 8,426,236,002.69 = 2,126,343,801.90 : x
  2. Step 2: Convert to fraction form
    5,619,668,912.40/8,426,236,002.69 = 2,126,343,801.90/x
  3. Step 3: Cross multiply
    5,619,668,912.40x = 8,426,236,002.69 × 2,126,343,801.90
  4. Step 4: Simplify right side
    5,619,668,912.40x = 17,917,074,697,666,512,896
  5. Step 5: Solve for x
    x = 17,917,074,697,666,512,896/5,619,668,912.40
  6. Step 6: Final answer
    x = 3,188,279,412.36

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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.