Home / 434,560,509.60-651,840,764.40-204,977,997.60

Finding the Fourth Proportional to 434,560,509.60, 651,840,764.40 and 204,977,997.60

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Solution

The fourth proportional to 434,560,509.60, 651,840,764.40 and 204,977,997.60 is: 307,466,996.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,560,509.60 : 651,840,764.40 = 204,977,997.60 : x
  2. Step 2: Convert to fraction form
    434,560,509.60/651,840,764.40 = 204,977,997.60/x
  3. Step 3: Cross multiply
    434,560,509.60x = 651,840,764.40 × 204,977,997.60
  4. Step 4: Simplify right side
    434,560,509.60x = 133,613,014,640,765,360
  5. Step 5: Solve for x
    x = 133,613,014,640,765,360/434,560,509.60
  6. Step 6: Final answer
    x = 307,466,996.40

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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.