Home / 383,969,191.36-529,877,141.68-216,740,652.16

Finding the Fourth Proportional to 383,969,191.36, 529,877,141.68 and 216,740,652.16

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Solution

The fourth proportional to 383,969,191.36, 529,877,141.68 and 216,740,652.16 is: 299,101,906.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,969,191.36 : 529,877,141.68 = 216,740,652.16 : x
  2. Step 2: Convert to fraction form
    383,969,191.36/529,877,141.68 = 216,740,652.16/x
  3. Step 3: Cross multiply
    383,969,191.36x = 529,877,141.68 × 216,740,652.16
  4. Step 4: Simplify right side
    383,969,191.36x = 114,845,917,252,399,920
  5. Step 5: Solve for x
    x = 114,845,917,252,399,920/383,969,191.36
  6. Step 6: Final answer
    x = 299,101,906.71

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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.