Home / 13,214,754,621.10-18,236,801,875.11-7,422,078,840.73

Finding the Fourth Proportional to 13,214,754,621.10, 18,236,801,875.11 and 7,422,078,840.73

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Solution

The fourth proportional to 13,214,754,621.10, 18,236,801,875.11 and 7,422,078,840.73 is: 10,242,716,206.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,214,754,621.10 : 18,236,801,875.11 = 7,422,078,840.73 : x
  2. Step 2: Convert to fraction form
    13,214,754,621.10/18,236,801,875.11 = 7,422,078,840.73/x
  3. Step 3: Cross multiply
    13,214,754,621.10x = 18,236,801,875.11 × 7,422,078,840.73
  4. Step 4: Simplify right side
    13,214,754,621.10x = 135,354,981,319,839,121,408
  5. Step 5: Solve for x
    x = 135,354,981,319,839,121,408/13,214,754,621.10
  6. Step 6: Final answer
    x = 10,242,716,206.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.