Home / 436,542,887.40-654,814,331.10-218,226,924.60

Finding the Fourth Proportional to 436,542,887.40, 654,814,331.10 and 218,226,924.60

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Solution

The fourth proportional to 436,542,887.40, 654,814,331.10 and 218,226,924.60 is: 327,340,386.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,542,887.40 : 654,814,331.10 = 218,226,924.60 : x
  2. Step 2: Convert to fraction form
    436,542,887.40/654,814,331.10 = 218,226,924.60/x
  3. Step 3: Cross multiply
    436,542,887.40x = 654,814,331.10 × 218,226,924.60
  4. Step 4: Simplify right side
    436,542,887.40x = 142,898,117,659,959,136
  5. Step 5: Solve for x
    x = 142,898,117,659,959,136/436,542,887.40
  6. Step 6: Final answer
    x = 327,340,386.90

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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.