Home / 19,291,965,402.01-28,928,012,045.14-8,659,074,404.48

Finding the Fourth Proportional to 19,291,965,402.01, 28,928,012,045.14 and 8,659,074,404.48

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Solution

The fourth proportional to 19,291,965,402.01, 28,928,012,045.14 and 8,659,074,404.48 is: 12,984,151,871.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,291,965,402.01 : 28,928,012,045.14 = 8,659,074,404.48 : x
  2. Step 2: Convert to fraction form
    19,291,965,402.01/28,928,012,045.14 = 8,659,074,404.48/x
  3. Step 3: Cross multiply
    19,291,965,402.01x = 28,928,012,045.14 × 8,659,074,404.48
  4. Step 4: Simplify right side
    19,291,965,402.01x = 250,489,808,672,416,268,288
  5. Step 5: Solve for x
    x = 250,489,808,672,416,268,288/19,291,965,402.01
  6. Step 6: Final answer
    x = 12,984,151,871.14

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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.