Home / 383,969,194.36-529,877,145.82-216,740,655.16

Finding the Fourth Proportional to 383,969,194.36, 529,877,145.82 and 216,740,655.16

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Solution

The fourth proportional to 383,969,194.36, 529,877,145.82 and 216,740,655.16 is: 299,101,910.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,969,194.36 : 529,877,145.82 = 216,740,655.16 : x
  2. Step 2: Convert to fraction form
    383,969,194.36/529,877,145.82 = 216,740,655.16/x
  3. Step 3: Cross multiply
    383,969,194.36x = 529,877,145.82 × 216,740,655.16
  4. Step 4: Simplify right side
    383,969,194.36x = 114,845,919,739,337,648
  5. Step 5: Solve for x
    x = 114,845,919,739,337,648/383,969,194.36
  6. Step 6: Final answer
    x = 299,101,910.85

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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.