Home / 19,291,965,548.52-28,928,012,264.22-8,659,074,551.16

Finding the Fourth Proportional to 19,291,965,548.52, 28,928,012,264.22 and 8,659,074,551.16

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Solution

The fourth proportional to 19,291,965,548.52, 28,928,012,264.22 and 8,659,074,551.16 is: 12,984,152,090.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,291,965,548.52 : 28,928,012,264.22 = 8,659,074,551.16 : x
  2. Step 2: Convert to fraction form
    19,291,965,548.52/28,928,012,264.22 = 8,659,074,551.16/x
  3. Step 3: Cross multiply
    19,291,965,548.52x = 28,928,012,264.22 × 8,659,074,551.16
  4. Step 4: Simplify right side
    19,291,965,548.52x = 250,489,814,812,751,790,080
  5. Step 5: Solve for x
    x = 250,489,814,812,751,790,080/19,291,965,548.52
  6. Step 6: Final answer
    x = 12,984,152,090.82

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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.