Home / 470,617,257.73-706,012,076.76-194,117,638.27

Finding the Fourth Proportional to 470,617,257.73, 706,012,076.76 and 194,117,638.27

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Solution

The fourth proportional to 470,617,257.73, 706,012,076.76 and 194,117,638.27 is: 291,212,008.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,617,257.73 : 706,012,076.76 = 194,117,638.27 : x
  2. Step 2: Convert to fraction form
    470,617,257.73/706,012,076.76 = 194,117,638.27/x
  3. Step 3: Cross multiply
    470,617,257.73x = 706,012,076.76 × 194,117,638.27
  4. Step 4: Simplify right side
    470,617,257.73x = 137,049,396,929,959,632
  5. Step 5: Solve for x
    x = 137,049,396,929,959,632/470,617,257.73
  6. Step 6: Final answer
    x = 291,212,008.66

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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.