Home / 18,469,430,167.27-25,487,130,785.54-10,011,072,357.58

Finding the Fourth Proportional to 18,469,430,167.27, 25,487,130,785.54 and 10,011,072,357.58

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Solution

The fourth proportional to 18,469,430,167.27, 25,487,130,785.54 and 10,011,072,357.58 is: 13,814,909,727.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,469,430,167.27 : 25,487,130,785.54 = 10,011,072,357.58 : x
  2. Step 2: Convert to fraction form
    18,469,430,167.27/25,487,130,785.54 = 10,011,072,357.58/x
  3. Step 3: Cross multiply
    18,469,430,167.27x = 25,487,130,785.54 × 10,011,072,357.58
  4. Step 4: Simplify right side
    18,469,430,167.27x = 255,153,510,481,145,724,928
  5. Step 5: Solve for x
    x = 255,153,510,481,145,724,928/18,469,430,167.27
  6. Step 6: Final answer
    x = 13,814,909,727.61

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Double scale
Find fourth proportional to 18,469,430,168.27, 25,487,130,786.92 and 10,011,072,358.58
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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.