Home / 19,291,965,534.33-28,928,012,242.85-8,659,074,536.85

Finding the Fourth Proportional to 19,291,965,534.33, 28,928,012,242.85 and 8,659,074,536.85

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Solution

The fourth proportional to 19,291,965,534.33, 28,928,012,242.85 and 8,659,074,536.85 is: 12,984,152,069.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,291,965,534.33 : 28,928,012,242.85 = 8,659,074,536.85 : x
  2. Step 2: Convert to fraction form
    19,291,965,534.33/28,928,012,242.85 = 8,659,074,536.85/x
  3. Step 3: Cross multiply
    19,291,965,534.33x = 28,928,012,242.85 × 8,659,074,536.85
  4. Step 4: Simplify right side
    19,291,965,534.33x = 250,489,814,213,712,871,424
  5. Step 5: Solve for x
    x = 250,489,814,213,712,871,424/19,291,965,534.33
  6. Step 6: Final answer
    x = 12,984,152,069.31

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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.