Home / 383,969,198.34-529,877,151.36-216,740,659.14

Finding the Fourth Proportional to 383,969,198.34, 529,877,151.36 and 216,740,659.14

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Solution

The fourth proportional to 383,969,198.34, 529,877,151.36 and 216,740,659.14 is: 299,101,916.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,969,198.34 : 529,877,151.36 = 216,740,659.14 : x
  2. Step 2: Convert to fraction form
    383,969,198.34/529,877,151.36 = 216,740,659.14/x
  3. Step 3: Cross multiply
    383,969,198.34x = 529,877,151.36 × 216,740,659.14
  4. Step 4: Simplify right side
    383,969,198.34x = 114,845,923,048,991,936
  5. Step 5: Solve for x
    x = 114,845,923,048,991,936/383,969,198.34
  6. Step 6: Final answer
    x = 299,101,916.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.