Home / 409,590,989.60-614,466,200.55-118,467,609.80

Finding the Fourth Proportional to 409,590,989.60, 614,466,200.55 and 118,467,609.80

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Solution

The fourth proportional to 409,590,989.60, 614,466,200.55 and 118,467,609.80 is: 177,724,471.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,590,989.60 : 614,466,200.55 = 118,467,609.80 : x
  2. Step 2: Convert to fraction form
    409,590,989.60/614,466,200.55 = 118,467,609.80/x
  3. Step 3: Cross multiply
    409,590,989.60x = 614,466,200.55 × 118,467,609.80
  4. Step 4: Simplify right side
    409,590,989.60x = 72,794,342,082,045,936
  5. Step 5: Solve for x
    x = 72,794,342,082,045,936/409,590,989.60
  6. Step 6: Final answer
    x = 177,724,471.31

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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.