Home / 409,580,227.86-565,220,762.37-223,941,369.30

Finding the Fourth Proportional to 409,580,227.86, 565,220,762.37 and 223,941,369.30

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Solution

The fourth proportional to 409,580,227.86, 565,220,762.37 and 223,941,369.30 is: 309,039,115.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,580,227.86 : 565,220,762.37 = 223,941,369.30 : x
  2. Step 2: Convert to fraction form
    409,580,227.86/565,220,762.37 = 223,941,369.30/x
  3. Step 3: Cross multiply
    409,580,227.86x = 565,220,762.37 × 223,941,369.30
  4. Step 4: Simplify right side
    409,580,227.86x = 126,576,311,481,927,728
  5. Step 5: Solve for x
    x = 126,576,311,481,927,728/409,580,227.86
  6. Step 6: Final answer
    x = 309,039,115.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.