Home / 18,201,325,630.71-27,301,988,446.08-5,115,122,446.71

Finding the Fourth Proportional to 18,201,325,630.71, 27,301,988,446.08 and 5,115,122,446.71

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Solution

The fourth proportional to 18,201,325,630.71, 27,301,988,446.08 and 5,115,122,446.71 is: 7,672,683,670.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,201,325,630.71 : 27,301,988,446.08 = 5,115,122,446.71 : x
  2. Step 2: Convert to fraction form
    18,201,325,630.71/27,301,988,446.08 = 5,115,122,446.71/x
  3. Step 3: Cross multiply
    18,201,325,630.71x = 27,301,988,446.08 × 5,115,122,446.71
  4. Step 4: Simplify right side
    18,201,325,630.71x = 139,653,013,940,385,775,616
  5. Step 5: Solve for x
    x = 139,653,013,940,385,775,616/18,201,325,630.71
  6. Step 6: Final answer
    x = 7,672,683,670.07

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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.