Home / 19,291,965,421.57-28,928,012,074.50-8,659,074,424.01

Finding the Fourth Proportional to 19,291,965,421.57, 28,928,012,074.50 and 8,659,074,424.01

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Solution

The fourth proportional to 19,291,965,421.57, 28,928,012,074.50 and 8,659,074,424.01 is: 12,984,151,900.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,291,965,421.57 : 28,928,012,074.50 = 8,659,074,424.01 : x
  2. Step 2: Convert to fraction form
    19,291,965,421.57/28,928,012,074.50 = 8,659,074,424.01/x
  3. Step 3: Cross multiply
    19,291,965,421.57x = 28,928,012,074.50 × 8,659,074,424.01
  4. Step 4: Simplify right side
    19,291,965,421.57x = 250,489,809,491,792,986,112
  5. Step 5: Solve for x
    x = 250,489,809,491,792,986,112/19,291,965,421.57
  6. Step 6: Final answer
    x = 12,984,151,900.45

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1.5x scale

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.