Home / 18,201,325,632.59-27,301,988,448.89-5,115,122,448.59

Finding the Fourth Proportional to 18,201,325,632.59, 27,301,988,448.89 and 5,115,122,448.59

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Solution

The fourth proportional to 18,201,325,632.59, 27,301,988,448.89 and 5,115,122,448.59 is: 7,672,683,672.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,201,325,632.59 : 27,301,988,448.89 = 5,115,122,448.59 : x
  2. Step 2: Convert to fraction form
    18,201,325,632.59/27,301,988,448.89 = 5,115,122,448.59/x
  3. Step 3: Cross multiply
    18,201,325,632.59x = 27,301,988,448.89 × 5,115,122,448.59
  4. Step 4: Simplify right side
    18,201,325,632.59x = 139,653,014,006,145,712,128
  5. Step 5: Solve for x
    x = 139,653,014,006,145,712,128/18,201,325,632.59
  6. Step 6: Final answer
    x = 7,672,683,672.89

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Double scale
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1.5x scale

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.