Home / 505,966,769,987.10-758,923,425,223.08-165,961,161,265.84

Finding the Fourth Proportional to 505,966,769,987.10, 758,923,425,223.08 and 165,961,161,265.84

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Solution

The fourth proportional to 505,966,769,987.10, 758,923,425,223.08 and 165,961,161,265.84 is: 248,932,974,323.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,966,769,987.10 : 758,923,425,223.08 = 165,961,161,265.84 : x
  2. Step 2: Convert to fraction form
    505,966,769,987.10/758,923,425,223.08 = 165,961,161,265.84/x
  3. Step 3: Cross multiply
    505,966,769,987.10x = 758,923,425,223.08 × 165,961,161,265.84
  4. Step 4: Simplify right side
    505,966,769,987.10x = 125,951,812,961,871,226,470,400
  5. Step 5: Solve for x
    x = 125,951,812,961,871,226,470,400/505,966,769,987.10
  6. Step 6: Final answer
    x = 248,932,974,323.75

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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.