Home / 383,969,224.10-529,877,186.89-216,740,684.90

Finding the Fourth Proportional to 383,969,224.10, 529,877,186.89 and 216,740,684.90

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Solution

The fourth proportional to 383,969,224.10, 529,877,186.89 and 216,740,684.90 is: 299,101,951.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,969,224.10 : 529,877,186.89 = 216,740,684.90 : x
  2. Step 2: Convert to fraction form
    383,969,224.10/529,877,186.89 = 216,740,684.90/x
  3. Step 3: Cross multiply
    383,969,224.10x = 529,877,186.89 × 216,740,684.90
  4. Step 4: Simplify right side
    383,969,224.10x = 114,845,944,399,423,904
  5. Step 5: Solve for x
    x = 114,845,944,399,423,904/383,969,224.10
  6. Step 6: Final answer
    x = 299,101,951.90

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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.