Home / 336,997,669.20-505,347,204.60-155,300,542.80

Finding the Fourth Proportional to 336,997,669.20, 505,347,204.60 and 155,300,542.80

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Solution

The fourth proportional to 336,997,669.20, 505,347,204.60 and 155,300,542.80 is: 232,882,011.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,997,669.20 : 505,347,204.60 = 155,300,542.80 : x
  2. Step 2: Convert to fraction form
    336,997,669.20/505,347,204.60 = 155,300,542.80/x
  3. Step 3: Cross multiply
    336,997,669.20x = 505,347,204.60 × 155,300,542.80
  4. Step 4: Simplify right side
    336,997,669.20x = 78,480,695,176,842,672
  5. Step 5: Solve for x
    x = 78,480,695,176,842,672/336,997,669.20
  6. Step 6: Final answer
    x = 232,882,011.80

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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.