Home / 409,452,372.60-614,178,558.90-118,328,992.80

Finding the Fourth Proportional to 409,452,372.60, 614,178,558.90 and 118,328,992.80

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Solution

The fourth proportional to 409,452,372.60, 614,178,558.90 and 118,328,992.80 is: 177,493,489.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,452,372.60 : 614,178,558.90 = 118,328,992.80 : x
  2. Step 2: Convert to fraction form
    409,452,372.60/614,178,558.90 = 118,328,992.80/x
  3. Step 3: Cross multiply
    409,452,372.60x = 614,178,558.90 × 118,328,992.80
  4. Step 4: Simplify right side
    409,452,372.60x = 72,675,130,273,992,464
  5. Step 5: Solve for x
    x = 72,675,130,273,992,464/409,452,372.60
  6. Step 6: Final answer
    x = 177,493,489.20

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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.