Home / 18,487,480,276.82-25,510,570,439.60-10,349,729,299.38

Finding the Fourth Proportional to 18,487,480,276.82, 25,510,570,439.60 and 10,349,729,299.38

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Solution

The fourth proportional to 18,487,480,276.82, 25,510,570,439.60 and 10,349,729,299.38 is: 14,281,421,500.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,487,480,276.82 : 25,510,570,439.60 = 10,349,729,299.38 : x
  2. Step 2: Convert to fraction form
    18,487,480,276.82/25,510,570,439.60 = 10,349,729,299.38/x
  3. Step 3: Cross multiply
    18,487,480,276.82x = 25,510,570,439.60 × 10,349,729,299.38
  4. Step 4: Simplify right side
    18,487,480,276.82x = 264,027,498,322,625,396,736
  5. Step 5: Solve for x
    x = 264,027,498,322,625,396,736/18,487,480,276.82
  6. Step 6: Final answer
    x = 14,281,421,500.89

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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.