Home / 439,533,845.76-658,799,257.38-177,050,438.94

Finding the Fourth Proportional to 439,533,845.76, 658,799,257.38 and 177,050,438.94

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Solution

The fourth proportional to 439,533,845.76, 658,799,257.38 and 177,050,438.94 is: 265,373,642.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,533,845.76 : 658,799,257.38 = 177,050,438.94 : x
  2. Step 2: Convert to fraction form
    439,533,845.76/658,799,257.38 = 177,050,438.94/x
  3. Step 3: Cross multiply
    439,533,845.76x = 658,799,257.38 × 177,050,438.94
  4. Step 4: Simplify right side
    439,533,845.76x = 116,640,697,692,475,024
  5. Step 5: Solve for x
    x = 116,640,697,692,475,024/439,533,845.76
  6. Step 6: Final answer
    x = 265,373,642.59

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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.