Home / 436,981,971.60-655,724,899.80-164,548,256.40

Finding the Fourth Proportional to 436,981,971.60, 655,724,899.80 and 164,548,256.40

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Solution

The fourth proportional to 436,981,971.60, 655,724,899.80 and 164,548,256.40 is: 246,917,255.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,981,971.60 : 655,724,899.80 = 164,548,256.40 : x
  2. Step 2: Convert to fraction form
    436,981,971.60/655,724,899.80 = 164,548,256.40/x
  3. Step 3: Cross multiply
    436,981,971.60x = 655,724,899.80 × 164,548,256.40
  4. Step 4: Simplify right side
    436,981,971.60x = 107,898,388,940,154,704
  5. Step 5: Solve for x
    x = 107,898,388,940,154,704/436,981,971.60
  6. Step 6: Final answer
    x = 246,917,255.06

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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.