Home / 354,244,059.40-531,440,738.70-149,666,830.60

Finding the Fourth Proportional to 354,244,059.40, 531,440,738.70 and 149,666,830.60

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Solution

The fourth proportional to 354,244,059.40, 531,440,738.70 and 149,666,830.60 is: 224,531,785.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,244,059.40 : 531,440,738.70 = 149,666,830.60 : x
  2. Step 2: Convert to fraction form
    354,244,059.40/531,440,738.70 = 149,666,830.60/x
  3. Step 3: Cross multiply
    354,244,059.40x = 531,440,738.70 × 149,666,830.60
  4. Step 4: Simplify right side
    354,244,059.40x = 79,539,051,012,951,760
  5. Step 5: Solve for x
    x = 79,539,051,012,951,760/354,244,059.40
  6. Step 6: Final answer
    x = 224,531,785.09

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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.