Home / 439,769,941.90-659,729,562.45-133,059,618.70

Finding the Fourth Proportional to 439,769,941.90, 659,729,562.45 and 133,059,618.70

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Solution

The fourth proportional to 439,769,941.90, 659,729,562.45 and 133,059,618.70 is: 199,612,014.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,769,941.90 : 659,729,562.45 = 133,059,618.70 : x
  2. Step 2: Convert to fraction form
    439,769,941.90/659,729,562.45 = 133,059,618.70/x
  3. Step 3: Cross multiply
    439,769,941.90x = 659,729,562.45 × 133,059,618.70
  4. Step 4: Simplify right side
    439,769,941.90x = 87,783,364,024,714,848
  5. Step 5: Solve for x
    x = 87,783,364,024,714,848/439,769,941.90
  6. Step 6: Final answer
    x = 199,612,014.51

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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.