Home / 449,425,627.20-674,642,325.60-347,640,897.60

Finding the Fourth Proportional to 449,425,627.20, 674,642,325.60 and 347,640,897.60

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Solution

The fourth proportional to 449,425,627.20, 674,642,325.60 and 347,640,897.60 is: 521,851,112.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,425,627.20 : 674,642,325.60 = 347,640,897.60 : x
  2. Step 2: Convert to fraction form
    449,425,627.20/674,642,325.60 = 347,640,897.60/x
  3. Step 3: Cross multiply
    449,425,627.20x = 674,642,325.60 × 347,640,897.60
  4. Step 4: Simplify right side
    449,425,627.20x = 234,533,263,630,535,488
  5. Step 5: Solve for x
    x = 234,533,263,630,535,488/449,425,627.20
  6. Step 6: Final answer
    x = 521,851,112.70

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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.