Home / 442,905,624.20-664,354,937.10-115,380,504.20

Finding the Fourth Proportional to 442,905,624.20, 664,354,937.10 and 115,380,504.20

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Solution

The fourth proportional to 442,905,624.20, 664,354,937.10 and 115,380,504.20 is: 173,069,844.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,905,624.20 : 664,354,937.10 = 115,380,504.20 : x
  2. Step 2: Convert to fraction form
    442,905,624.20/664,354,937.10 = 115,380,504.20/x
  3. Step 3: Cross multiply
    442,905,624.20x = 664,354,937.10 × 115,380,504.20
  4. Step 4: Simplify right side
    442,905,624.20x = 76,653,607,610,357,296
  5. Step 5: Solve for x
    x = 76,653,607,610,357,296/442,905,624.20
  6. Step 6: Final answer
    x = 173,069,844.73

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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.