Home / 449,225,999.40-673,838,999.10-317,712,066.60

Finding the Fourth Proportional to 449,225,999.40, 673,838,999.10 and 317,712,066.60

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Solution

The fourth proportional to 449,225,999.40, 673,838,999.10 and 317,712,066.60 is: 476,568,099.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,225,999.40 : 673,838,999.10 = 317,712,066.60 : x
  2. Step 2: Convert to fraction form
    449,225,999.40/673,838,999.10 = 317,712,066.60/x
  3. Step 3: Cross multiply
    449,225,999.40x = 673,838,999.10 × 317,712,066.60
  4. Step 4: Simplify right side
    449,225,999.40x = 214,086,780,959,736,576
  5. Step 5: Solve for x
    x = 214,086,780,959,736,576/449,225,999.40
  6. Step 6: Final answer
    x = 476,568,099.90

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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.